Achieve precise, worry-free pH management for your tanks or hydroponic systems with the Milwaukee MC720 PRO pH controller and dosing pump. Designed for busy professionals and dedicated hobbyists, this automatic pH controller ensures you always maintain optimal pH levels with minimal effort. Simply set your desired parameters, and this complete system automatically monitors and adjusts pH for you. What People Are Saying "I run this unit 24/7 and have not had any problems for the past two months. It keeps my fish tank CO2 injector running perfectly and puts my mind at ease regarding overdosing." "I've been using this controller for two years to monitor and adjust pH of hydroponic nutrient solutions. Still using the original probe and it rarely needs calibration." "Using this as a pH controller for a calcium reactor on a 105 gallon reef tank ... I recommend this to any serious reefer." Summary The Milwaukee MC720US kit features the MC122 pH controller and MP810 dosing pump for consistent, hands-off pH control. It's the solution of choice for users who need automatic adjustment and reliable monitoring in nutrient reservoirs, aquariums, and reef tanks. Set your target range and let the MC720US handle pH regulation, providing peace of mind and better results. Features Accuracy The Milwaukee PRO pH controller delivers accuracy to ±0.2 pH, supported by two-point manual calibration for trustworthy results. Automation Automated monitoring and dosing cover a full pH control range of 5.5 to 9.5, with audio and visual alarms for out-of-range readings to protect your system. Integrated Dosing Pump The kit includes the Milwaukee MP810 dosing pump, purpose-built for seamless compatibility and optimal flow control with the MC122 pH controller. Quick Installation Everything you need is in the box: a mounting kit, probe holder, and clear instructions for a rapid setup. Design Features Large, easy-to-read digital LCD display for instant data Precision to ±0.2 pH for critical applications Simple two-point calibration with front panel manual trimmers Set point range from 5.5 to 9.5 pH with accessible controls High/low alarms for system protection Complete mounting kit and probe holders included Lab-grade, double junction, gel-filled probe designed for durability and low maintenance 6.5-foot probe cables for flexible positioning 12 VDC power supply for worldwide compatibility Pump delivers up to 1.5 bar pressure and 0.39268 GPH / 9.5 GPD dosing, suitable for varied dosing needs Polyethylene uptake and discharge tubing, 4.92 feet (1.5 m) each Norprene black pump squeeze tubing for long term reliability Use and Care Maintain peak performance by caring for your MC720’s pH probe. The most common causes of reduced accuracy are degradation of the glass sensing bulb and blockage of the reference junction from dried-out storage or sample contamination. Sensing Bulb The glass bulb naturally loses sensitivity over time and eventual replacement is normal for all pH probes. Reference Junction A clogged junction prevents accurate readings. Prevent buildup by regular cleaning and proper storage. Storage Always keep the probe hydrated with MA9015 storage solution. If unavailable, use tap water briefly and never use distilled or reverse osmosis water, as this will damage sensitivity. Store the cap filled with storage solution and keep the probe upright to prevent leakage. Cleaning To maintain accuracy, regularly soak the probe in MA9016 cleaning solution for about 20 minutes, especially after exposure to samples high in organic material. Calibration pH bulbs become less responsive with time. Calibrate your Milwaukee PRO pH controller routinely, and always after cleaning or extended storage, for consistent, precise results.
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