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Milwaukee CD600 Digital TDS Pen – Reliable Accuracy in the Palm of Your Hand Whether you’re growing hydroponic vegetables, maintaining a crystal-clear aquarium, or fine-tuning a water filtration system, knowing your water’s Total Dissolved Solids (TDS) level is essential. TDS readings help determine whether your water is pure, nutrient-rich, or potentially problematic – and with the Milwaukee CD600 Digital TDS Pen, you get a professional-grade tool that’s accurate, fast, and built for real-world use. Designed for growers, aquarists, water treatment specialists, and curious DIYers alike, the CD600 simplifies what used to be a lab-only task. With a single press, it gives you immediate insight into the quality of your water – no guesswork, no hassle. From checking nutrient concentrations to evaluating filter performance, this pen-style meter is your go-to companion for portable, on-the-spot TDS monitoring. Engineered for simplicity and durability, the CD600 is compact enough to fit in your pocket but tough enough to deliver reliable readings day after day. Whether you’re in a greenhouse, kitchen, lab, or out in the field, this tool helps ensure your water meets the right standards every time.   Why Choose the Milwaukee CD600? Fast, Accurate Readings Get reliable TDS measurements in seconds, with ±2% full-scale accuracy, so you can make quick, informed decisions about your water quality. User-Friendly Design With a simple one-button operation and easy-to-read digital display, the CD600 is intuitive for beginners and efficient for pros. Ready to Use Comes factory-calibrated with a 1413 µS/cm calibration solution and includes a protective cap and batteries – everything you need to get started right away. Portable & Durable Designed for one-handed use and built to last with a rugged ABS housing, the CD600 goes wherever you go. Versatile Applications Ideal for hydroponics, aquariums, reverse osmosis systems, water treatment, environmental testing, beverage production, and more.   Applications at a Glance Hydroponics & Indoor Growing – Measure nutrient concentration to prevent under- or overfeeding. Aquariums & Aquaculture – Keep dissolved solids in check for healthier aquatic environments. Water Purification & RO Systems – Verify filter performance and ensure water quality. Drinking Water Testing – Quickly assess the safety and taste of your water supply. Industrial & Laboratory Use – Ensure consistent water quality in process environments and research settings.   Proper Care & Maintenance To ensure long-lasting performance and accurate readings, follow these care tips: Storage Always store the CD600 with the protective cap on and away from extreme heat or humidity. While TDS meters don’t have glass bulbs like pH probes, keeping the sensor clean and dry when not in use helps extend its life. Cleaning Regularly rinse the probe with distilled or deionized water after each use to remove any residue that could affect measurement accuracy. If deposits or staining occur, gently clean the tip using a soft cloth or brush with isopropyl alcohol. Calibration Although the CD600 comes factory-calibrated, it’s good practice to recalibrate monthly or after heavy use. Use a standard TDS calibration solution (e.g., 1382 ppm NaCl) and follow the instructions in the user manual. Proper calibration ensures long-term accuracy. Battery Maintenance Replace batteries when the display dims or the meter becomes unresponsive. The CD600 uses 4 x 1.5V batteries, which are easy to change without tools. CONVERTING TDS TO EC The Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading, of contaminates per unit of volume in a solution. TDS/PPM is often converted to uS/cm. Different scales include the 500 scale, 650 scale and the 700 scale. Your TDS/PPM readings can be approximately converted to uS/cm as shown in the examples below. 1 ppm = 2 uS/cm on the 0.5 factor scale 1 ppm = 1.43 µS/cm on the 442 scale or .70 factor scale Thank you for considering Milwaukee to help you take your results to the next level.   Take control of your water quality today with the Milwaukee CD600 – compact, dependable, and ready for whatever challenge your water throws your way.    

Milwaukee PH600 Digital pH Pen – Accurate & Affordable pH Testing The Milwaukee PH600 Digital pH Pen is a dependable and budget-friendly tool designed to simplify pH testing across a wide range of applications. Whether you're managing an aquarium, brewing at home, maintaining a hydroponic setup, or ensuring the proper pH in your swimming pool, the PH600 delivers the accuracy and ease you need. With a precision of ±0.1 pH and single-point calibration, this compact tester ensures fast and reliable results without the hassle of complex setups. The large easy-to-read LCD display allows for quick viewing of measurements, making it ideal even for beginners. The lightweight, pen-style design offers portability and convenience, so you can take it with you wherever you need to test. Built with quality and simplicity in mind, the PH600 offers a perfect entry point into digital pH monitoring without sacrificing performance. It comes complete with a calibration screwdriver and a 20 mL sachet of pH 7.01 buffer solution so you can start testing right out of the box. Whether you're a hobbyist or a professional, the Milwaukee PH600 is your go-to choice for affordable, fast, and reliable pH testing. Why Choose the Milwaukee PH600? ·       Accurate & Reliable – Measures pH from 0.0 to 14.0 with ±0.1 pH precision ·       User-Friendly – Simple one-point manual calibration for quick setup. ·       Compact & Portable – Pocket-sized design for easy on-the-go testing. ·       Long Battery Life – Operates for up to 700 hours on a single battery. ·       Affordable & Effective – Ideal for hobbyists and professionals alike. Proper Care & Maintenance To ensure long-lasting accuracy and performance from your Milwaukee PH600 Digital pH Pen, proper care and maintenance are essential. Follow these tips to keep your tester in top condition: Clean the probe regularly: After each use, rinse the electrode with distilled water and gently blot dry with a soft tissue. For thorough cleaning, especially after testing solutions that may leave residue (like nutrient mixes or aquarium water), use a pH electrode cleaning solution to remove build-up and prevent contamination. Store the tester properly: Never allow the electrode to dry out, as this can affect response time and accuracy. When not in use, always store the PH600 upright with the protective cap filled with storage solution or pH 7.01 buffer solution. Avoid storing in distilled or deionized water, as this can damage the sensor. Calibrate regularly: Regular calibration is key to maintaining accuracy. Use a pH 7.01 buffer solution to perform single-point calibration before each testing session or at least weekly, depending on frequency of use. Replace the calibration solution periodically to ensure reliable results. By following these simple maintenance steps, you’ll extend the life of your pH pen and ensure accurate readings every time.   Order the Milwaukee PH600 Today! Get precise pH readings for aquariums, hydroponics, pools, and water testing at an affordable price!

Milwaukee PH55 Waterproof pH & Temperature Tester with Replaceable Probe – High Accuracy & Durability The Milwaukee PH55 pH & Temperature Tester is a professional-grade device designed for accurate and reliable pH measurement. With ±0.1 pH accuracy, automatic temperature compensation (ATC), and a waterproof design, this tester is perfect for hydroponics, aquariums, pools, and laboratory use. The replaceable probe extends the device’s lifespan, making it a cost-effective choice for long-term pH monitoring. Why Choose the Milwaukee PH55? ·       Accurate Measurements – pH range -2.0 to 16.0 with ±0.1 accuracy. ·       Dual Functionality – Measures pH & temperature simultaneously. ·       Waterproof & Durable – Designed for harsh environments. ·       Replaceable Probe – Extends the tester’s lifespan for long-term use. ·       Automatic Temperature Compensation (ATC) – Ensures accurate readings in any condition.  Proper Care & Maintenance All pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code PH-Main at checkout time! This will be needed to help clean and condition the pH electrode before use! 1. Always store with the cap full of buffer or storage solution MA9015 not water. 2. Clean your Tester regularly by soaking in cleaning solution MA9016. 3. Calibrate after cleaning and/or storage before testing to adjust for changes in the pH sensor. 4. Gently stir the Tester in the sample for a faster result. Order the Milwaukee PH55 Today! A reliable and durable pH tester for hydroponics, aquariums, and water testing!

Milwaukee EC59 Conductivity Tester – Precision and Reliability for All Water Quality Applications The Milwaukee EC59 Conductivity Tester is an advanced tool designed for users who require accurate, reliable, and fast measurements of electrical conductivity (EC), total dissolved solids (TDS), and temperature. Whether you are managing a hydroponic farm,  maintaining an aquarium, or monitoring water quality for environmental research, the EC59 provides exceptional performance in a variety of applications. With a rugged, waterproof design and a user-friendly interface, this tester ensures precision in every reading, helping you make informed decisions about your water quality. Engineered for professionals and hobbyists alike, the Milwaukee EC59 is built to withstand harsh environments. The replaceable probe feature extends the life of the device, while the clear digital display allows for easy interpretation of results. With its versatile 3-in-1 functionality—measuring EC, TDS, and temperature—the EC59 is a comprehensive solution for anyone working with water quality across multiple industries. Why Choose the Milwaukee EC59? • Accurate Measurements: With a precision of ±2% Full Scale, the EC59 ensures reliable EC and TDS readings. • User-Friendly Design: The intuitive interface and digital display allow for easy operation and result interpretation. • Replaceable Probe: The durable, replaceable probe ensures longevity and cost-effectiveness. • Waterproof Construction: Rated IP67, the EC59 is fully waterproof, making it ideal for field use in any weather conditions. • Versatile 3-in-1 Testing: Measures EC, TDS, and temperature all in one compact device, streamlining your testing process. • Automatic Temperature Compensation (ATC): Ensures accurate measurements regardless of temperature fluctuations. • Long Battery Life: With efficient power management, the EC59 delivers up to 300 hours of continuous use on a single set of batteries. Proper Care & Maintenance To keep your Milwaukee EC59 Conductivity Tester operating at peak performance, proper maintenance is essential. Here are some simple tips to ensure long-lasting reliability: • Rinse the Probe: Always rinse the probe with distilled or deionized water after each use to prevent contamination buildup. • Dry Storage: Store the EC59 in a dry place to preserve probe sensitivity and prevent any moisture-related issues. • Calibration: Calibrate your EC59 regularly using conductivity standard solutions to maintain measurement accuracy. • Replace the Probe: If the probe shows signs of wear or damage, replace it to ensure continued accurate readings. • Avoid Over-Immersion: Do not immerse the tester beyond its maximum immersion level to protect the electronics. • Battery Replacement: Replace batteries when the low battery indicator appears to ensure consistent performance. By following these simple care guidelines, you can extend the life of your Milwaukee EC59 and maintain its high level of accuracy for years to come. CONVERTING EC TO TDS The Milwaukee PRO Conductivity Tester, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity. EC/TDS can converted. Different scales include the 500 scale, 650 scale and the 700 scale. Your uS/cm reading can be approximately converted to other scales as shown in the examples below. 2.00 mS/cm = 2000 uS/cm = 1000 ppm on .50 factor scale 2.00 mS/cm = 2000 uS/cm = 1400 ppm on the 442 scale or .70 factor scale

Milwaukee EC40 EC/TDS Nutrient Meter – Simplify Nutrient Monitoring with Precision and Portability When growing success depends on the right balance of nutrients, having a reliable tool to measure your solution’s strength is not just helpful – it’s essential. Whether you're a hydroponic grower optimizing nutrient delivery, a hobbyist maintaining healthy plants at home, or a professional cultivating in a greenhouse or farm, the Milwaukee EC40 EC/TDS Nutrient Meter offers a portable, accurate, and easy-to-use solution to take control of your feeding strategy. With just a quick dip, the EC40 helps you monitor electrical conductivity (EC) and total dissolved solids (TDS) to ensure your nutrient mix is just right. Built with simplicity in mind but without sacrificing precision, the EC40 is ideal for everyday measurements of fertilizers, water quality, or salinity – whether you're checking reservoir levels, runoff water, or irrigation systems. Its compact design, automatic temperature compensation, and intuitive interface make it a trusted companion from bench to grow bed. Backed by Milwaukee’s reputation for dependable water analysis tools, the EC40 helps growers and water professionals avoid nutrient lockouts, overfeeding, or imbalances that could damage plants or waste resources. It’s everything you need in the palm of your hand – because precision growing starts with precision measurement.  Why Choose the Milwaukee EC40? Fast, Accurate Readings – Get quick, reliable results with a range of 0.00 to 20.00 mS/cm for EC and 0 to 10,000 ppm for TDS – perfect for everyday nutrient and water quality checks. Dual EC/TDS Measurement – Switch between EC and TDS modes with the press of a button, giving you flexibility depending on your preference or growing system. Compact & Portable Design – Lightweight and handheld, the EC40 is ideal for on-the-go testing in greenhouses, hydroponic setups, farms, or even at home. Automatic Temperature Compensation (ATC) – Built-in ATC ensures accurate readings regardless of temperature fluctuations, giving you confidence in real-world conditions. Easy Calibration – One-point manual calibration with 1,413 µS/cm standard solution makes recalibration quick and effortless – keeping your meter accurate with minimal effort. Clear Digital Display – The large LCD screen offers easy-to-read measurements in both EC and TDS modes, even in low-light environments.  Applications Hydroponics ·       Monitoring nutrient solutions for optimal plant growth ·       Ensuring balanced EC/TDS levels to avoid plant stress or nutrient deficiencies Horticulture & Agriculture ·       Fertigation control for soil and soilless cultivation ·       Managing salinity levels in irrigation water Greenhouses ·       Maintaining ideal nutrient concentrations in closed-loop systems ·       Preventing salt buildup in growing media Home Growing ·       DIY growers managing nutrient solutions for personal crops ·       Ensuring consistency in EC/TDS for healthier plants Aquaponics & Aquaculture ·       Monitoring TDS in freshwater tanks to ensure aquatic life health ·       Checking mineral levels for optimal water balance ·       Balancing nutrients for both fish and plants ·       Monitoring dissolved solids in water for system health Water Treatment ·       Measuring TDS to assess water purification efficiency ·       Monitoring water quality in filtration systems Environmental Monitoring ·       Field measurements of EC/TDS in rivers, lakes, and groundwater ·       Assessing water salinity in environmental studies Education ·       Practical tool for science experiments and classroom demonstrations ·       Teaching principles of water chemistry and plant nutrition   Proper Care & Maintenance To ensure consistent accuracy and extend the life of your Milwaukee EC40: Rinse After Each Use Always rinse the probe with distilled water after testing to prevent buildup from nutrient or salt residues. Calibrate Regularly Use Milwaukee’s 1,413 µS/cm calibration solution to calibrate frequently, especially if the meter is used daily or in high-concentration environments. Store Properly Keep the meter in a clean, dry place and avoid extreme temperatures. Remove the battery if not used for extended periods. Handle with Care Although built for portability, avoid dropping or exposing the probe to aggressive chemicals or physical damage.   Your growing success starts with accurate nutrient control. Trust the Milwaukee EC40 to deliver fast, precise EC and TDS readings – every time.

DESCRIPTION The Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH/EC/TDS/Temp Tester is designed as an all-in-one solution for growers. The Milwaukee MW803 MAX Waterproof 4-in-1 Tester offers: ACCURACY The MW803 MAX 4-in-1 tester is accurate to ±0.05 pH, EC/TDS to 2% Full Scale and ±0.5°C / ±1°F for temperature. With automatic calibration and 5 memorized calibration points, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration. LONG LIFE The tester comes with a replaceable pH probe with a double junction probe design for longer life. FAST RESPONSE An exposed temperature probe is located close to the pH probe for fast temperature compensation. WATERPROOF CONSTRUCTION No more worries about dropping your tester while measuring. The MW803 is fully waterproof to IP65. LIGHT WEIGHT At just 3.5 ounces, the MW803 MAX is easy to handle at up to half the weight of other testers. EASE-OF-USE A large dual level LCD screen makes reading results easy while a stability indicator and hold function that freezes the display takes the guess work out. DESIGN FEATURES Fast easy to read results with large digital dual LCD readout. Extreme accuracy to ±0.05 pH, EC / TDS 2% Full Scale and Temperature ±0.5 C / ±1 F. Range 0.00 – 14.00 pH | EC 0 to 3999 uS/cm | TDS 0 - 2000 ppm | Temperature: 0.0 to 50.0 C / 32.0 to 122.0 F. Lightweight and portable at just 3.5 ounces. Easy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading. Simple push button, automatic 1 or 2 point pH calibration with 5 saved calibration points and simple 1 point EC calibration. Gel-filled, double junction pH electrode for low maintenance and high performance with exposed temp. sensor for fast readings. Auto shut off after 8 minutes of non-use. Fully waterproof to IP65. Battery life approx. 100 hour of continuous use (batteries included). CARE AND USE The MW803 PRO Tester includes both a pH and EC electrode. Both need maintenance. All pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code PH-Main at checkout time! This will be needed to help clean and condition the pH electrode before use! EC sensors are more robust but can still be affected by residue build up. Here are our top four tips. 1. Always store with the cap full of buffer or storage solution MA9015 not water. 2. Clean your Tester regularly by soaking in cleaning solution MA9016. 3. Calibrate after cleaning and/or storage before testing to adjust for changes in the pH and EC sensor. 4. Gently stir the PRO Tester in the sample for a faster result. 5. Rinse in water after every test. Thank you for considering Milwaukee to help you take your results to the next level.

Milwaukee CD601 Digital Conductivity Pen – Simple, Accurate EC Testing in the Palm of Your Hand In today’s fast-paced world of precision agriculture, water quality management, and controlled environment farming, knowing your water’s conductivity is more essential than ever. Whether you're feeding delicate hydroponic crops, balancing salinity in an aquarium, or ensuring water purity for research or industrial processes, the Milwaukee CD601 gives you reliable EC measurements without the bulk of lab equipment. This compact digital EC pen is designed for people who need quick, accurate readings without fuss. With a sleek and ergonomic design, intuitive operation, and a fast-response probe, the CD601 allows professionals and hobbyists alike to measure the electrical conductivity of their solution in seconds. No complicated setup. No guessing. Just clear results you can trust. It’s the tool of choice for growers checking nutrient concentration, technicians validating system performance, and field testers on the move. Lightweight yet durable, the CD601 brings lab-grade precision to your fingertips – whether you’re in a greenhouse, lab, factory, or out in the field.   Why Choose the Milwaukee CD601 EC Pen? Quick, Accurate Readings: Delivers EC measurements with ±2% full scale accuracy for fast and confident decision-making. One-Point Manual Calibration: Easy and reliable calibration to ensure ongoing accuracy with minimal effort. Durable and Portable: Compact design fits in your pocket and resists everyday wear and tear, making it ideal for field or on-site use. Easy-to-Read Display: Clear LCD screen shows EC values instantly, even in bright light or challenging environments. Energy Efficient: Auto shut-off extends battery life – perfect for mobile testing or remote work. Replaceable Electrode: Swappable probe extends the life of your meter and minimizes long-term cost of ownership. Whether you're testing nutrient solutions or checking water quality in a pond, the CD601 helps you act quickly and confidently – without bulky meters or lab trips.   Applications The Milwaukee CD601 is trusted across a wide range of industries and disciplines: Hydroponics & Controlled Agriculture Monitor EC in nutrient solutions to ensure plants are absorbing the right balance of nutrients. Avoid over-fertilization and nutrient lockout to boost growth and crop quality. Aquariums & Aquaculture Maintain proper salinity and water conditions to support the health of fish and marine life. A quick EC check helps detect water quality shifts before they become critical. Laboratory & Research Ideal for researchers who need portable, fast EC testing in the lab or field. Useful in environmental sampling, chemistry, or biological sciences. Drinking Water & Filtration Systems Check dissolved solids to evaluate water purity or filter performance – —whether you're testing tap water, well systems, or RO filters. Industrial Water Management Used in manufacturing and water treatment settings to monitor conductivity in cooling towers, boilers, and process water loops to prevent corrosion or scaling. Environmental Monitoring Test lakes, rivers, or runoff for salinity and ionic changes – helping scientists detect pollution or ecological shifts in the field.   Proper Care & Maintenance To ensure long-lasting accuracy and performance of your CD601 Conductivity Pen, regular maintenance is key. Here's how to keep your meter in top shape: Electrode Care Always rinse the EC probe with distilled water after use to avoid residue buildup. Do not scratch or touch the sensing surface – handle the probe gently.  Storage Always store the meter dry with the protective cap in place. Avoid exposure to extreme temperatures or prolonged direct sunlight. Cleaning If the probe becomes fouled with nutrient or mineral deposits, soak it in Milwaukee Cleaning Solution (MI708) to restore sensitivity. Avoid using tap water or chemicals not intended for EC probe cleaning. Calibration Regular calibration using a standard EC solution (e.g., 1413 µS/cm) ensures continued accuracy. Perform calibration before critical measurements or after periods of storage. By following these care tips, you’ll extend the lifespan of your CD601 and ensure precise results every time.   Compact. Reliable. Essential. Whether you're testing at the grow site, in the lab, or out in the wild, the Milwaukee CD601 delivers professional-level EC measurements with speed and simplicity. Upgrade your water testing routine today with the trusted performance of Milwaukee Instruments.

Milwaukee MW802 PRO 3-in-1 pH, EC, TDS Combo Meter – Precision & Convenience in Water Analysis The Milwaukee MW802 PRO 3-in-1 Combo Meter is the ultimate solution for measuring pH, Electrical Conductivity (EC), and Total Dissolved Solids (TDS) with a single, highly efficient device. Engineered with precision and designed for maximum convenience, this portable meter is an essential tool for professionals across various industries. Whether you’re managing the delicate balance of hydroponic systems, aquaculture, or food production, the MW802 PRO provides fast, reliable results. Its advanced features, such as Automatic Temperature Compensation (ATC), ensure accurate measurements in any environment, whether in the lab, field, or production site. Hydroponic growers and aquaponics enthusiasts rely on it for real-time monitoring of nutrient solutions, helping them achieve optimal plant health and yields. Greenhouses and agricultural sectors use it to fine-tune soil and water conditions, promoting healthy crop growth while maintaining cost-effective resources. In aquaculture, the MW802 PRO plays a crucial role in monitoring water quality for aquatic life, ensuring ideal conditions for fish farms or aquarium setups. With its versatility, it also serves environmental scientists and water treatment specialists in analyzing water quality in natural bodies or treatment plants. In food production, manufacturers can use it to monitor processes requiring precise water conditions. From research laboratories to industrial water treatment facilities, the MW802 PRO is a trusted ally in measuring pH, EC, and TDS levels, providing confidence in the integrity of the water and solutions critical to each industry. The MW802 is a must-have tool for professionals who demand precision and efficiency in their water analysis.   Why Choose the Milwaukee MW802 PRO? 3-in-1 Functionality: Measures pH, EC, and TDS with one meter and a single probe. Automatic Temperature Compensation (ATC): Ensures accuracy in all environments. Simple Calibration: Single-point manual calibration for both pH and EC. Rugged & Reliable: Durable design with a replaceable SE600 probe for long-term use. Lightweight & Portable: Weighs just 5.8 ounces and fits comfortably in hand. Large, High-Contrast Display: View measurements quickly with an easy-to-read digital screen. How to Use the MW802 PRO Calibrate with standard buffer solutions Calibration is a crucial step in ensuring that the MW802 provides accurate readings. To begin, you’ll need to use standard calibration solutions with known pH, EC, and TDS values. These solutions will help set the meter to give precise readings for your specific measurements. Calibration should be performed regularly, especially if the meter is used frequently or exposed to harsh conditions. It's a good practice to calibrate before each testing session to guarantee the most accurate results. Submerge the probe in the water or nutrient solution After calibration, place the meter’s probe into the sample you intend to test, whether it’s water, nutrient solution, or soil mixture. Make sure the probe is fully submerged in the sample for consistent measurements. For nutrient solutions or water, ensure that the probe is immersed deep enough to measure the entire solution, allowing for accurate EC, pH, and TDS readings. Gently stir for an accurate reading Gently stir the probe within the sample to ensure the meter gets an even, stable reading. Stirring helps to distribute any inconsistencies in the solution, such as localized differences in pH or nutrient concentration, ensuring that the reading you get is representative of the entire sample. Stirring should be done slowly and carefully to avoid damaging the probe or disrupting the sample too much. Adjust pH and nutrient levels as needed Based on the readings provided by the MW802, you may need to adjust the pH, EC, or TDS levels of your solution. If, for example, the pH is too high or too low, you can add pH up or pH down solutions to bring it into the desired range. For EC or TDS adjustments, add the appropriate nutrient solution to ensure that plants receive the necessary levels of minerals and nutrients. Clean and store the probe properly for longevity After each use, clean the probe thoroughly to avoid the buildup of dirt, salts, or other contaminants. Proper cleaning ensures that the probe remains accurate and prevents it from becoming clogged, which could affect its readings. Once cleaned, store the probe in an appropriate solution (such as a buffer or storage solution) to keep it hydrated and prevent any damage. Avoid storing it in just water, as this can lead to contamination and shorten the lifespan of the probe.   Proper Meter Care & Maintenance Essential Tips for Long-Lasting Performance: • Store the probe properly in buffer or storage solution (MA9015, not water) Storing the probe in a buffer or storage solution ensures it remains moist and calibrated, extending the lifespan of the probe. Never store it in pure water, as it can cause the probe to dry out, leading to inaccurate readings and damage over time. Buffer solutions are designed to maintain the probe’s calibration and functionality. • Clean regularly by soaking in pH and EC cleaning solution (MA9016) Over time, the probe can accumulate deposits from samples such as salts, oils, or other contaminants. To keep the probe in optimal condition, regularly clean it by soaking in a cleaning solution specifically designed for pH and EC probes, such as the MA9016. This ensures that any buildup is effectively removed, helping maintain the meter’s performance and accuracy. • Calibrate after cleaning and before testing to maintain accuracy After cleaning the probe, always recalibrate the MW802 before using it for measurements. Cleaning can alter the probe’s accuracy, and calibration ensures that it provides reliable readings. Calibration should be done with fresh standard buffer solutions to restore the meter to its optimal performance. • Gently stir the probe in the sample for the most reliable results When measuring, it’s essential to stir the probe gently in the sample to obtain the most accurate and consistent readings. Stirring helps to evenly distribute any variations within the solution, ensuring that the measurement reflects the overall conditions. Avoid vigorous shaking, which could disrupt the measurement process or damage the probe. By following these detailed instructions for use and maintenance, you’ll ensure that your MW802 PRO remains accurate, reliable, and in excellent condition, giving you the best results for your water or nutrient solution analysis over time.   Order the Milwaukee MW802 PRO Today! Whether you're managing a hydroponic system, ensuring optimal water quality in aquariums, or monitoring nutrient levels in agriculture, the Milwaukee MW802 PRO 3-in-1 Combo Meter is the versatile tool you can rely on for precise pH, EC, and TDS measurements. With its easy-to-use design and accurate results, the MW802 is perfect for professionals and enthusiasts alike, helping you maintain ideal conditions for plant growth, aquatic life, and more.

Milwaukee MA887 Digital Salinity Refractometer – Accurate Salinity Readings for Healthy Marine Environments In the world of marine aquariums, aquaculture systems, and saltwater research, salinity is more than just a number – it's a foundation for life. Corals, fish, and invertebrates thrive only within a precise salinity range. Even slight imbalances can stress marine organisms, affect growth, or trigger disease. Whether you're a reef enthusiast or managing a commercial hatchery, accurate salinity control is essential. The Milwaukee MA887 Digital Salinity Refractometer is designed to take the guesswork out of saltwater measurement. Unlike manual optical refractometers that rely on subjective reading and light conditions, the MA887 delivers digital precision, reliability, and repeatability in just seconds. With measurements displayed in Practical Salinity Units (PSU), parts per thousand (ppt), and specific gravity, this tool empowers you to monitor and maintain a stable marine environment with confidence. Engineered for professionals and serious hobbyists alike, the MA887 uses optical technology and automatic temperature compensation (ATC) to ensure accurate readings – even when sample temperature fluctuates. Just a few drops of sample water are all it takes to get a laboratory-grade measurement, making it an indispensable tool for reef tank owners, aquaculturists, and marine scientists.   Why Choose the Milwaukee MA887? • Digital Accuracy You Can Trust – Say goodbye to manual interpretation. The MA887 gives you precise readings with ±2 ppt accuracy for quick and consistent results. • 3-in-1 Measurement – View salinity in ppt, PSU, or specific gravity (20/20) to meet the needs of different marine applications. • Automatic Temperature Compensation (ATC) – No need to worry about temperature skewing your results. ATC ensures accuracy across temperature variations. • Fast & Easy to Use – Just place a few drops of water on the prism, close the cover, and read the result on the digital display within seconds. • Minimal Sample Volume – Requires only 100 µL of water for testing – ideal for reef tanks or small-volume systems. • Durable Design – Built to last with a stainless steel sample well and solid construction for daily use in demanding environments. • Versatile Applications – Perfect for saltwater aquariums, coral care, aquaculture farms, shrimp hatcheries, salt mixing, and lab testing.   Applications of the MA887 Digital Salinity Refractometer Aquaculture ·       Monitoring salinity in fish farming tanks to ensure optimal growth and reproduction ·       Maintaining consistent water quality to reduce fish stress and disease risk Marine Aquariums & Reef Tanks ·       Ensuring proper salinity for corals, invertebrates, and saltwater fish ·       Supporting healthy biological filtration and stable marine ecosystems Laboratories ·       Conducting accurate and repeatable water testing for research and analysis ·       Ideal for marine biology, oceanography, and environmental science studies Saltwater Mixing & Preparation ·       Verifying salinity levels when preparing synthetic seawater for tanks or experiments ·       Ensuring consistency for aquarium water changes Industrial Applications ·       Quality control in saltwater processing or brine production ·       Monitoring salinity in cooling towers or desalination systems Shrimp & Shellfish Farming ·       Managing salinity in hatcheries and grow-out systems ·       Supporting optimal shell formation and metabolic function in crustaceans Aquaponics (Salt-Tolerant Systems) ·       Controlling salinity in hybrid aquaponic systems using brackish water species   Proper Care & Maintenance To keep your MA887 performing at its best: • Rinse After Every Use – Clean the prism and sample well with distilled or deionized water to avoid salt buildup or residue. • Avoid Contaminants – Make sure no oils, chemicals, or residues enter the sample chamber. Use clean pipettes or droppers for sampling. • Recalibrate Periodically – For optimal accuracy, calibrate with distilled water regularly, especially when testing across a wide salinity range. • Store Safely – Keep the instrument dry when not in use and store it in a clean, protected space. Avoid exposing it to extreme temperatures or humidity.   Maintain the delicate balance of your marine ecosystem with the Milwaukee MA887 Digital Salinity Refractometer – where precision meets ease of use. Whether you’re nurturing vibrant coral reefs or managing high-performance aquaculture systems, the MA887 delivers reliable salinity measurement every time.

Milwaukee CD601 Digital Conductivity Pen – Simple, Accurate EC Testing in the Palm of Your Hand In today’s fast-paced world of precision agriculture, water quality management, and controlled environment farming, knowing your water’s conductivity is more essential than ever. Whether you're feeding delicate hydroponic crops, balancing salinity in an aquarium, or ensuring water purity for research or industrial processes, the Milwaukee CD601 gives you reliable EC measurements without the bulk of lab equipment. This compact digital EC pen is designed for people who need quick, accurate readings without fuss. With a sleek and ergonomic design, intuitive operation, and a fast-response probe, the CD601 allows professionals and hobbyists alike to measure the electrical conductivity of their solution in seconds. No complicated setup. No guessing. Just clear results you can trust. It’s the tool of choice for growers checking nutrient concentration, technicians validating system performance, and field testers on the move. Lightweight yet durable, the CD601 brings lab-grade precision to your fingertips – whether you’re in a greenhouse, lab, factory, or out in the field.   Why Choose the Milwaukee CD601 EC Pen? Quick, Accurate Readings: Delivers EC measurements with ±2% full scale accuracy for fast and confident decision-making. One-Point Manual Calibration: Easy and reliable calibration to ensure ongoing accuracy with minimal effort. Durable and Portable: Compact design fits in your pocket and resists everyday wear and tear, making it ideal for field or on-site use. Easy-to-Read Display: Clear LCD screen shows EC values instantly, even in bright light or challenging environments. Energy Efficient: Auto shut-off extends battery life – perfect for mobile testing or remote work. Replaceable Electrode: Swappable probe extends the life of your meter and minimizes long-term cost of ownership. Whether you're testing nutrient solutions or checking water quality in a pond, the CD601 helps you act quickly and confidently – without bulky meters or lab trips.   Applications The Milwaukee CD601 is trusted across a wide range of industries and disciplines: Hydroponics & Controlled Agriculture Monitor EC in nutrient solutions to ensure plants are absorbing the right balance of nutrients. Avoid over-fertilization and nutrient lockout to boost growth and crop quality. Aquariums & Aquaculture Maintain proper salinity and water conditions to support the health of fish and marine life. A quick EC check helps detect water quality shifts before they become critical. Laboratory & Research Ideal for researchers who need portable, fast EC testing in the lab or field. Useful in environmental sampling, chemistry, or biological sciences. Drinking Water & Filtration Systems Check dissolved solids to evaluate water purity or filter performance – —whether you're testing tap water, well systems, or RO filters. Industrial Water Management Used in manufacturing and water treatment settings to monitor conductivity in cooling towers, boilers, and process water loops to prevent corrosion or scaling. Environmental Monitoring Test lakes, rivers, or runoff for salinity and ionic changes – helping scientists detect pollution or ecological shifts in the field.   Proper Care & Maintenance To ensure long-lasting accuracy and performance of your CD601 Conductivity Pen, regular maintenance is key. Here's how to keep your meter in top shape: Electrode Care Always rinse the EC probe with distilled water after use to avoid residue buildup. Do not scratch or touch the sensing surface – handle the probe gently.  Storage Always store the meter dry with the protective cap in place. Avoid exposure to extreme temperatures or prolonged direct sunlight. Cleaning If the probe becomes fouled with nutrient or mineral deposits, soak it in Milwaukee Cleaning Solution (MI708) to restore sensitivity. Avoid using tap water or chemicals not intended for EC probe cleaning. Calibration Regular calibration using a standard EC solution (e.g., 1413 µS/cm) ensures continued accuracy. Perform calibration before critical measurements or after periods of storage. By following these care tips, you’ll extend the lifespan of your CD601 and ensure precise results every time.   Compact. Reliable. Essential. Whether you're testing at the grow site, in the lab, or out in the wild, the Milwaukee CD601 delivers professional-level EC measurements with speed and simplicity. Upgrade your water testing routine today with the trusted performance of Milwaukee Instruments.

Milwaukee MC120 PRO pH Monitor – Reliable 24/7 pH Monitoring for Stable Water Conditions In any application where water chemistry matters – hydroponics, aquariums, pools, or industrial water systems – keeping pH levels in check is crucial. Sudden shifts can throw off nutrient availability, stress aquatic life, or disrupt chemical balance. That’s where the Milwaukee MC120 PRO comes in: a compact, continuous pH monitoring solution built for users who need round-the-clock reliability and fast response times – without the complexity of lab-grade instruments. Whether you’re managing a hydroponic nutrient reservoir, fine-tuning the pH of an aquaculture tank, or ensuring water stability in industrial settings, the MC120 PRO delivers peace of mind. With a clear digital display, real-time high and low pH alarms, and a durable double-junction probe, this unit offers professional-level monitoring in a user-friendly format. It’s trusted by hobbyists and professionals alike who need to monitor pH directly in the water – no constant testing, no guesswork. The MC120 PRO is designed to be permanently installed, with everything you need included – mounting hardware, adapter, and a replaceable probe. Set it up once and let it keep an eye on your system, so you can focus on what really matters: results.   Why Choose the Milwaukee MC120 PRO? Continuous pH Monitoring: Offers real-time tracking of pH values directly in your reservoir, aquarium, or water system – 24/7. Built-In Alarm System: Customizable high and low set points trigger a flashing LED when your pH drifts out of range, giving you time to respond before it becomes a problem. Lab-Grade Accuracy: ±0.2 pH accuracy across a 0.0 to 14.0 range with two-point manual calibration ensures precise, dependable readings. Double Junction Electrode: The included MA911B/2 pH probe is gel-filled and double-junction for enhanced durability and longer life – even in dirty or nutrient-rich water. Simple Installation: Comes with a 12 VDC adapter and mounting kit for quick setup in fixed locations.   Applications: 1. Aquariums (Freshwater & Saltwater) ·       Designed for professional aquarium use, including reef setups, to maintain ideal pH and alert on deviations. ·       Frequently used by hobbyists, with reviews praising its reliability (“spot on” readings for reef tanks). 2. Hydroponics & Recirculating Farming ·       Ideal for monitoring nutrient solution pH in hydroponic or reservoir systems – designed to "continuously monitor pH … directly in your reservoir”. ·       Fits into “PRO Monitors” lineup for pH/EC/TDS control in plant growth environments. 3. Laboratory & Industrial Water Quality ·       Provides lab-grade accuracy of ±0.2 pH across 0–14 range, suitable for basic water quality checks in R&D or industrial settings. ·       Compact size, continuous reading, and alarm features make it suitable for small-scale industrial monitoring. 4. Educational & Teaching Setups ·       Durable double‑junction electrode and simple 12 VDC powered design makes it suitable for schools and universities for teaching water chemistry with continuous monitoring.   Core Features Supporting These Applications ·       Continuous 24/7 monitoring with user-defined high/low pH alarms via LED flash. ·       Wide range (0–14 pH), manual two‑point calibration, lab‑grade double‑junction electrode. ·       Includes mounting hardware and AC adapter – ideal for permanent setups     Proper Care & Maintenance To get the best performance and longest life out of your MC120 PRO pH Monitor: Calibrate Regularly: Use pH 7.01 and 4.01 (or 10.01) buffer solutions for manual two-point calibration to keep measurements accurate. Clean the Probe: Rinse the pH electrode with distilled water after each use and periodically clean with a pH probe cleaning solution. Store Properly: When not in use, keep the electrode tip in a proper storage solution (not dry) to prevent membrane damage. Check for Wear: Over time, probe performance may degrade—replace the electrode as needed to maintain reliable readings.   Take control of your water chemistry with the Milwaukee MC120 PRO—your dependable partner for fixed-location pH monitoring. Simple, accurate, and built to last, it’s the perfect solution for serious growers, aquarists, and anyone who values precision in water management

*Free MA955 solenoid valve will be added to your order automatically after you finish your purchase.   Milwaukee MC122 pH Controller with Electrode – Continuous pH Monitoring & Control Made Easy Take the guesswork out of pH regulation with the Milwaukee MC122 pH Controller – a trusted tool designed for precision, automation, and peace of mind. Whether you're growing plants hydroponically, maintaining a healthy aquarium, or fine-tuning a water treatment system, the MC122 offers continuous pH monitoring and on/off control, so you can set it and forget it. Equipped with a high-accuracy pH electrode, adjustable setpoint, and LED alarm system, the MC122 gives you full command over your pH environment. Once connected to a dosing pump or CO₂ system (not included), it becomes an automated solution that helps maintain your ideal pH range – 24/7. From hydroponic growers to aquarists, lab technicians to industrial operators, the MC122 delivers reliable control in a compact, easy-to-use unit trusted worldwide.   Why Choose the Milwaukee MC122? Continuous Monitoring – Real-time pH readings with automatic regulation. Precision Control – Set your ideal pH range (setpoint adjustable from 5.5 to 9.5 pH). Built-In Alarm LED – Visual alerts when pH is out of range. Compact & Easy to Install – Wall-mountable, durable housing. Includes Quality pH Electrode – Ready to go right out of the box. BNC Connection – Compatible with a wide range of pH probes. Ideal for Automation – Control acid/base dosing or CO₂ injection with ease.  Proper Care & Maintenance To keep your MC122 performing at its best: Always store the pH electrode in storage solution (not water). Clean the electrode regularly using a cleaning solution (like MA9016). Calibrate often using pH buffer solutions (like MA9004 and MA9007). Replace the electrode as needed to maintain accurate readings. We recommend adding the Milwaukee pH Maintenance Kit (PH-Main) to your order to support cleaning, calibration, and storage from day one.   Automate with Confidence. Trust Milwaukee. Whether you're growing, brewing, farming, or treating water – the Milwaukee MC122 is your reliable partner for pH control. Designed to simplify your workflow and protect your results, it's the perfect balance of performance and peace of mind.

Milwaukee PH600 Digital pH Pen – Accurate & Affordable pH Testing The Milwaukee PH600 Digital pH Pen is a dependable and budget-friendly tool designed to simplify pH testing across a wide range of applications. Whether you're managing an aquarium, brewing at home, maintaining a hydroponic setup, or ensuring the proper pH in your swimming pool, the PH600 delivers the accuracy and ease you need. With a precision of ±0.1 pH and single-point calibration, this compact tester ensures fast and reliable results without the hassle of complex setups. The large easy-to-read LCD display allows for quick viewing of measurements, making it ideal even for beginners. The lightweight, pen-style design offers portability and convenience, so you can take it with you wherever you need to test. Built with quality and simplicity in mind, the PH600 offers a perfect entry point into digital pH monitoring without sacrificing performance. It comes complete with a calibration screwdriver and a 20 mL sachet of pH 7.01 buffer solution so you can start testing right out of the box. Whether you're a hobbyist or a professional, the Milwaukee PH600 is your go-to choice for affordable, fast, and reliable pH testing. Why Choose the Milwaukee PH600? ·       Accurate & Reliable – Measures pH from 0.0 to 14.0 with ±0.1 pH precision ·       User-Friendly – Simple one-point manual calibration for quick setup. ·       Compact & Portable – Pocket-sized design for easy on-the-go testing. ·       Long Battery Life – Operates for up to 700 hours on a single battery. ·       Affordable & Effective – Ideal for hobbyists and professionals alike. Proper Care & Maintenance To ensure long-lasting accuracy and performance from your Milwaukee PH600 Digital pH Pen, proper care and maintenance are essential. Follow these tips to keep your tester in top condition: Clean the probe regularly: After each use, rinse the electrode with distilled water and gently blot dry with a soft tissue. For thorough cleaning, especially after testing solutions that may leave residue (like nutrient mixes or aquarium water), use a pH electrode cleaning solution to remove build-up and prevent contamination. Store the tester properly: Never allow the electrode to dry out, as this can affect response time and accuracy. When not in use, always store the PH600 upright with the protective cap filled with storage solution or pH 7.01 buffer solution. Avoid storing in distilled or deionized water, as this can damage the sensor. Calibrate regularly: Regular calibration is key to maintaining accuracy. Use a pH 7.01 buffer solution to perform single-point calibration before each testing session or at least weekly, depending on frequency of use. Replace the calibration solution periodically to ensure reliable results. By following these simple maintenance steps, you’ll extend the life of your pH pen and ensure accurate readings every time.   Order the Milwaukee PH600 Today! Get precise pH readings for aquariums, hydroponics, pools, and water testing at an affordable price!

Milwaukee CD600 Digital TDS Pen – Reliable Accuracy in the Palm of Your Hand Whether you’re growing hydroponic vegetables, maintaining a crystal-clear aquarium, or fine-tuning a water filtration system, knowing your water’s Total Dissolved Solids (TDS) level is essential. TDS readings help determine whether your water is pure, nutrient-rich, or potentially problematic – and with the Milwaukee CD600 Digital TDS Pen, you get a professional-grade tool that’s accurate, fast, and built for real-world use. Designed for growers, aquarists, water treatment specialists, and curious DIYers alike, the CD600 simplifies what used to be a lab-only task. With a single press, it gives you immediate insight into the quality of your water – no guesswork, no hassle. From checking nutrient concentrations to evaluating filter performance, this pen-style meter is your go-to companion for portable, on-the-spot TDS monitoring. Engineered for simplicity and durability, the CD600 is compact enough to fit in your pocket but tough enough to deliver reliable readings day after day. Whether you’re in a greenhouse, kitchen, lab, or out in the field, this tool helps ensure your water meets the right standards every time.   Why Choose the Milwaukee CD600? Fast, Accurate Readings Get reliable TDS measurements in seconds, with ±2% full-scale accuracy, so you can make quick, informed decisions about your water quality. User-Friendly Design With a simple one-button operation and easy-to-read digital display, the CD600 is intuitive for beginners and efficient for pros. Ready to Use Comes factory-calibrated with a 1413 µS/cm calibration solution and includes a protective cap and batteries – everything you need to get started right away. Portable & Durable Designed for one-handed use and built to last with a rugged ABS housing, the CD600 goes wherever you go. Versatile Applications Ideal for hydroponics, aquariums, reverse osmosis systems, water treatment, environmental testing, beverage production, and more.   Applications at a Glance Hydroponics & Indoor Growing – Measure nutrient concentration to prevent under- or overfeeding. Aquariums & Aquaculture – Keep dissolved solids in check for healthier aquatic environments. Water Purification & RO Systems – Verify filter performance and ensure water quality. Drinking Water Testing – Quickly assess the safety and taste of your water supply. Industrial & Laboratory Use – Ensure consistent water quality in process environments and research settings.   Proper Care & Maintenance To ensure long-lasting performance and accurate readings, follow these care tips: Storage Always store the CD600 with the protective cap on and away from extreme heat or humidity. While TDS meters don’t have glass bulbs like pH probes, keeping the sensor clean and dry when not in use helps extend its life. Cleaning Regularly rinse the probe with distilled or deionized water after each use to remove any residue that could affect measurement accuracy. If deposits or staining occur, gently clean the tip using a soft cloth or brush with isopropyl alcohol. Calibration Although the CD600 comes factory-calibrated, it’s good practice to recalibrate monthly or after heavy use. Use a standard TDS calibration solution (e.g., 1382 ppm NaCl) and follow the instructions in the user manual. Proper calibration ensures long-term accuracy. Battery Maintenance Replace batteries when the display dims or the meter becomes unresponsive. The CD600 uses 4 x 1.5V batteries, which are easy to change without tools. CONVERTING TDS TO EC The Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading, of contaminates per unit of volume in a solution. TDS/PPM is often converted to uS/cm. Different scales include the 500 scale, 650 scale and the 700 scale. Your TDS/PPM readings can be approximately converted to uS/cm as shown in the examples below. 1 ppm = 2 uS/cm on the 0.5 factor scale 1 ppm = 1.43 µS/cm on the 442 scale or .70 factor scale Thank you for considering Milwaukee to help you take your results to the next level.   Take control of your water quality today with the Milwaukee CD600 – compact, dependable, and ready for whatever challenge your water throws your way.    

Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC High Precision pH Testing for Hydroponics, Agriculture, Aquaculture, Brewing & Wine making, Swimming Pools, Laboratories & Industrial Use The Milwaukee MW102 PRO+ is more than just a pH meter—it’s a trusted companion for professionals who demand precision. Whether you're a brewer perfecting your craft, a winemaker refining flavor, a hydroponic grower optimizing plant health, or a farmer ensuring soil balance, the MW102 PRO+ delivers accurate and reliable results every time. With ±0.02 pH precision and automatic temperature compensation (ATC), this lab-grade meter adapts to real-world conditions, providing dependable measurements even in the most demanding environments. Built for accuracy, durability, and ease of use, it’s the go-to choice for those who take quality seriously—because every drop counts. Why Choose the Milwaukee MW102 PRO+? Exceptional Accuracy: Measures pH from -2.00 to 16.00 with ±0.02 accuracy. Automatic Temperature Compensation: Includes a stainless steel temperature probe. Tough & Reliable: Designed to withstand tough environments. Low Maintenance: Gel-filled, double junction lab-grade pH electrode (SE220). Long Battery Life: Up to 300 hours of continuous use.    Proper pH Meter Care & Maintenance To maintain the accuracy and longevity of your MW102 PRO+, follow these best practices: Cleaning & Storage: Keep the probe hydrated in MA9015 storage solution. Clean regularly with MA9016 cleaning solution to prevent residue buildup. Avoid storing in tap or DI water, as it damages the electrode. Calibration: Regular calibration ensures precise results. Always calibrate after cleaning or extended storage. Order the Milwaukee MW102 PRO+ Today! Ensure accurate, reliable pH monitoring for brewing, winemaking, and hydroponics. Shop now and experience the Milwaukee difference!          

Milwaukee EC40 EC/TDS Nutrient Meter – Simplify Nutrient Monitoring with Precision and Portability When growing success depends on the right balance of nutrients, having a reliable tool to measure your solution’s strength is not just helpful – it’s essential. Whether you're a hydroponic grower optimizing nutrient delivery, a hobbyist maintaining healthy plants at home, or a professional cultivating in a greenhouse or farm, the Milwaukee EC40 EC/TDS Nutrient Meter offers a portable, accurate, and easy-to-use solution to take control of your feeding strategy. With just a quick dip, the EC40 helps you monitor electrical conductivity (EC) and total dissolved solids (TDS) to ensure your nutrient mix is just right. Built with simplicity in mind but without sacrificing precision, the EC40 is ideal for everyday measurements of fertilizers, water quality, or salinity – whether you're checking reservoir levels, runoff water, or irrigation systems. Its compact design, automatic temperature compensation, and intuitive interface make it a trusted companion from bench to grow bed. Backed by Milwaukee’s reputation for dependable water analysis tools, the EC40 helps growers and water professionals avoid nutrient lockouts, overfeeding, or imbalances that could damage plants or waste resources. It’s everything you need in the palm of your hand – because precision growing starts with precision measurement.  Why Choose the Milwaukee EC40? Fast, Accurate Readings – Get quick, reliable results with a range of 0.00 to 20.00 mS/cm for EC and 0 to 10,000 ppm for TDS – perfect for everyday nutrient and water quality checks. Dual EC/TDS Measurement – Switch between EC and TDS modes with the press of a button, giving you flexibility depending on your preference or growing system. Compact & Portable Design – Lightweight and handheld, the EC40 is ideal for on-the-go testing in greenhouses, hydroponic setups, farms, or even at home. Automatic Temperature Compensation (ATC) – Built-in ATC ensures accurate readings regardless of temperature fluctuations, giving you confidence in real-world conditions. Easy Calibration – One-point manual calibration with 1,413 µS/cm standard solution makes recalibration quick and effortless – keeping your meter accurate with minimal effort. Clear Digital Display – The large LCD screen offers easy-to-read measurements in both EC and TDS modes, even in low-light environments.  Applications Hydroponics ·       Monitoring nutrient solutions for optimal plant growth ·       Ensuring balanced EC/TDS levels to avoid plant stress or nutrient deficiencies Horticulture & Agriculture ·       Fertigation control for soil and soilless cultivation ·       Managing salinity levels in irrigation water Greenhouses ·       Maintaining ideal nutrient concentrations in closed-loop systems ·       Preventing salt buildup in growing media Home Growing ·       DIY growers managing nutrient solutions for personal crops ·       Ensuring consistency in EC/TDS for healthier plants Aquaponics & Aquaculture ·       Monitoring TDS in freshwater tanks to ensure aquatic life health ·       Checking mineral levels for optimal water balance ·       Balancing nutrients for both fish and plants ·       Monitoring dissolved solids in water for system health Water Treatment ·       Measuring TDS to assess water purification efficiency ·       Monitoring water quality in filtration systems Environmental Monitoring ·       Field measurements of EC/TDS in rivers, lakes, and groundwater ·       Assessing water salinity in environmental studies Education ·       Practical tool for science experiments and classroom demonstrations ·       Teaching principles of water chemistry and plant nutrition   Proper Care & Maintenance To ensure consistent accuracy and extend the life of your Milwaukee EC40: Rinse After Each Use Always rinse the probe with distilled water after testing to prevent buildup from nutrient or salt residues. Calibrate Regularly Use Milwaukee’s 1,413 µS/cm calibration solution to calibrate frequently, especially if the meter is used daily or in high-concentration environments. Store Properly Keep the meter in a clean, dry place and avoid extreme temperatures. Remove the battery if not used for extended periods. Handle with Care Although built for portability, avoid dropping or exposing the probe to aggressive chemicals or physical damage.   Your growing success starts with accurate nutrient control. Trust the Milwaukee EC40 to deliver fast, precise EC and TDS readings – every time.

Milwaukee PH55 Waterproof pH & Temperature Tester with Replaceable Probe – High Accuracy & Durability The Milwaukee PH55 pH & Temperature Tester is a professional-grade device designed for accurate and reliable pH measurement. With ±0.1 pH accuracy, automatic temperature compensation (ATC), and a waterproof design, this tester is perfect for hydroponics, aquariums, pools, and laboratory use. The replaceable probe extends the device’s lifespan, making it a cost-effective choice for long-term pH monitoring. Why Choose the Milwaukee PH55? ·       Accurate Measurements – pH range -2.0 to 16.0 with ±0.1 accuracy. ·       Dual Functionality – Measures pH & temperature simultaneously. ·       Waterproof & Durable – Designed for harsh environments. ·       Replaceable Probe – Extends the tester’s lifespan for long-term use. ·       Automatic Temperature Compensation (ATC) – Ensures accurate readings in any condition.  Proper Care & Maintenance All pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code PH-Main at checkout time! This will be needed to help clean and condition the pH electrode before use! 1. Always store with the cap full of buffer or storage solution MA9015 not water. 2. Clean your Tester regularly by soaking in cleaning solution MA9016. 3. Calibrate after cleaning and/or storage before testing to adjust for changes in the pH sensor. 4. Gently stir the Tester in the sample for a faster result. Order the Milwaukee PH55 Today! A reliable and durable pH tester for hydroponics, aquariums, and water testing!

DESCRIPTION The Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH/EC/TDS/Temp Tester is designed as an all-in-one solution for growers. The Milwaukee MW803 MAX Waterproof 4-in-1 Tester offers: ACCURACY The MW803 MAX 4-in-1 tester is accurate to ±0.05 pH, EC/TDS to 2% Full Scale and ±0.5°C / ±1°F for temperature. With automatic calibration and 5 memorized calibration points, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration. LONG LIFE The tester comes with a replaceable pH probe with a double junction probe design for longer life. FAST RESPONSE An exposed temperature probe is located close to the pH probe for fast temperature compensation. WATERPROOF CONSTRUCTION No more worries about dropping your tester while measuring. The MW803 is fully waterproof to IP65. LIGHT WEIGHT At just 3.5 ounces, the MW803 MAX is easy to handle at up to half the weight of other testers. EASE-OF-USE A large dual level LCD screen makes reading results easy while a stability indicator and hold function that freezes the display takes the guess work out. DESIGN FEATURES Fast easy to read results with large digital dual LCD readout. Extreme accuracy to ±0.05 pH, EC / TDS 2% Full Scale and Temperature ±0.5 C / ±1 F. Range 0.00 – 14.00 pH | EC 0 to 3999 uS/cm | TDS 0 - 2000 ppm | Temperature: 0.0 to 50.0 C / 32.0 to 122.0 F. Lightweight and portable at just 3.5 ounces. Easy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading. Simple push button, automatic 1 or 2 point pH calibration with 5 saved calibration points and simple 1 point EC calibration. Gel-filled, double junction pH electrode for low maintenance and high performance with exposed temp. sensor for fast readings. Auto shut off after 8 minutes of non-use. Fully waterproof to IP65. Battery life approx. 100 hour of continuous use (batteries included). CARE AND USE The MW803 PRO Tester includes both a pH and EC electrode. Both need maintenance. All pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code PH-Main at checkout time! This will be needed to help clean and condition the pH electrode before use! EC sensors are more robust but can still be affected by residue build up. Here are our top four tips. 1. Always store with the cap full of buffer or storage solution MA9015 not water. 2. Clean your Tester regularly by soaking in cleaning solution MA9016. 3. Calibrate after cleaning and/or storage before testing to adjust for changes in the pH and EC sensor. 4. Gently stir the PRO Tester in the sample for a faster result. 5. Rinse in water after every test. Thank you for considering Milwaukee to help you take your results to the next level.

Milwaukee MW10 Digital Free Chlorine Tester – Precision Chlorine Testing Made Simple In the world of water quality, precision and speed are non-negotiable. Whether you're managing a public water supply, maintaining a crystal-clear swimming pool, or safeguarding aquatic life in an aquarium, knowing exactly how much free chlorine is present in your water is critical. Chlorine is one of the most widely used disinfectants, but inaccurate levels – too high or too low – can lead to major health risks or system inefficiencies. That’s where the Milwaukee MW10 Digital Free Chlorine Tester comes in. Designed with simplicity, reliability, and field-ready durability in mind, the MW10 empowers professionals and enthusiasts alike to measure free chlorine levels quickly and accurately – anytime, anywhere. No more subjective color matching. No more ambiguity. Just digital accuracy in the palm of your hand. Compact, portable, and engineered to meet USEPA Method 330.5 standards, the MW10 is ideal for fast, on-the-go water quality testing. Its intuitive design, combined with powerful performance, makes it a go-to solution for water treatment specialists, pool operators, educators, and more.   Why Choose the Milwaukee MW10? High Accuracy & EPA Compliance: Delivers reliable results from 0.00 to 2.50 mg/L (ppm) with ±0.03 mg/L ±3% of reading accuracy. Follows USEPA Method 330.5 for compliance and trust. Compact & Portable: Pocket-sized design for effortless field testing – ideal for on-site water assessments. Fast & Easy Testing: Simple two-reagent system with easy-to-follow steps delivers results in under a minute. Digital Readout: Eliminates interpretation errors associated with traditional color comparator kits. Low Maintenance: Durable housing and user-friendly interface designed for long-term, low-hassle use. Long Battery Life: Powered by a standard 1.5V AAA battery for up to 500 tests, with automatic shut-off for power conservation.   Applications The Milwaukee MW10 Free Chlorine Tester is a versatile, portable photometer designed for measuring free chlorine levels in water. Its applications span various industries and settings where accurate chlorine monitoring is essential. Below is a list of its primary applications, starting with the most critical and widely used. 1. Drinking Water Treatment & Distribution Ensuring safe drinking water requires precise monitoring of free chlorine levels to maintain effective disinfection without exceeding regulatory limits. The MW10 is ideal for municipal water systems, private wells, and on-site testing by water utility personnel. 2. Wastewater Treatment In wastewater management, controlling chlorine levels is crucial to prevent environmental harm and comply with discharge regulations. The MW10 facilitates quick assessments of chlorine concentrations in treated effluents. 3. Swimming Pools & Spas Maintaining appropriate chlorine levels in recreational water bodies is vital for user safety and comfort. The MW10 offers pool operators and homeowners an accurate tool for routine monitoring, ensuring water remains within safe and pleasant parameters. 4. Aquariums & Aquaculture Fish and aquatic organisms are sensitive to chlorine. The MW10 assists aquarium enthusiasts and aquaculture professionals in detecting and managing chlorine levels, safeguarding aquatic life. 5. Food & Beverage Processing Chlorine is commonly used for sanitizing equipment and surfaces in food and beverage industries. The MW10 helps ensure that residual chlorine levels are within acceptable limits, preventing contamination and ensuring product safety. 6. Laboratories & Research In scientific research and laboratory settings, precise measurement of chlorine is often required. The MW10 provides researchers with reliable data for experiments and analyses involving water quality. 7. Educational Settings Educators can utilize the MW10 to teach students about water quality testing and the importance of chlorine monitoring, providing hands-on experience in environmental science and chemistry courses. 8. Agriculture & Irrigation In agricultural practices, water quality impacts crop health. The MW10 aids farmers and agronomists in monitoring chlorine levels in irrigation water, ensuring it is safe for crops and soil. The Milwaukee MW10's compact design, ease of use, and accurate digital readings make it a valuable tool across these diverse applications. Its adherence to the USEPA Method 330.5 ensures reliable and standardized measurements of free chlorine in various water samples.   Proper Care & Maintenance To ensure the longevity and accuracy of your MW10 colorimeter, follow these maintenance best practices: Cleaning After each use, rinse the cuvette thoroughly with distilled or deionized water. Avoid scratches or residue that could interfere with optical readings. For stubborn residues, use a soft cloth and mild detergent. Storage Store the MW10 in a dry, dust-free environment. Always keep the optical path clean and covered when not in use. Remove the battery if the unit won’t be used for extended periods. Reagent Handling Use only Milwaukee reagents (MI524-25) for consistent and accurate results. Store reagents in a cool, dark place and avoid exposure to heat or moisture. Always check expiration dates before use. Calibration & Verification Periodically test your MW10 against known standard solutions to verify performance. If results start to drift, check reagent quality and cleanliness of the cuvette before contacting support.   Upgrade your chlorine testing routine with the Milwaukee MW10 – fast, accurate, and built for real-world use.  

DESCRIPTION The Milwaukee MW11 Total Chlorine Photometer lets you go digital with your testing. No more hit and miss testing with strips. Great for aquariums, aquaculture & coral, labs, water conditioning , classroom and more. This meter is also ideal for educators that want their students to learn the basics of water quality analysis to apply in the real world. Simply add the reagent and get a digital reading accurate to ±0.03 ppm within minutes. DESIGN FEATURES Fast, easy-to-read results with large digital LCD readout. Range from 0.00 to 3.50 ppm. Accurate to ±0.03 ppm or ±3% of reading @ 25 °C. Small and ergonomic design. No calibration needed. Reliable and repeatable measurements with no visual assessment. Runs on 1 x AAA battery with auto shut off to extend battery life. Adaptation of the USEPA Method 330.5. The reaction between Free Clorine and DPD causes a slight pink tint in the sample.Thank you for considering Milwaukee to help you take your results to the next level.