Bluelab CONTPH pH Controller with Monitoring and Dosing in Water Digital Meter for Hydroponic System and Indoor Plant Grow with Easy Calibration, 1, White

Style: pH ControllerHands-free monitoring and dosing of solution pH levels.Features:• Automatic control and monitoring of system pH with reservoirs up to 200 US gal/760 L• Plant-safe green back lit 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 meter) acid/alkali resistant dosing tube supplied• Use with undiluted Bluelab pH Up or Down• International power supply• Replaceable double junction pH probe• Separate Bluelab Temperature Probe (for pH ATC)• Replaceable peristaltic pump and tubesProbe TipsAll probes are interchangeable between all Bluelab productsProper hydration of ph probes is vital to maintain wickAll PH probes eventually need to be replaced—they can only house so much