Bluelab pH Controller & Auto Doser Details Hands-free monitoring and dosing of solution pH levels. Simple. We know pH levels can be the difference between a great crop and well, a disaster. Measuring and adjusting nutrient solution levels constantly can be time-consuming. And let’s face it; you have better things to do. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. Set your pH parameters and let the Bluelab pH Controler keep you on point dosing in your set direction pH up or down solution, not both. You simply set it, and forget. The pH is taken care of. So you can relax… Features Automatic control and monitoring of system pH with reservoirs up to 200 US gal / 760 L Plant-safe green backlit LCD with adjustable brightness Large, easy to read displays Easy to navigate menu to program and adjust settings Simple push-button pH calibration with on screen guide Flashing high / low alarm with control lockouts Dosing lockouts to protect from over-dosing Auto resume dosing on restart after power loss Water resistant, wall mount design 13 foot (4 meters) acid/alkali resistant dosing tube supplied Use with either undiluted Bluelab pH Up or Dow International power supply Replaceable double junction pH probe Separate Bluelab Temperature Probe (for pH ATC) Replaceable peristaltic pump and tube Applications Aquaculture Aquaponics Floriculture Greenhouse Hydroponics Industry