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Bluelab pH Controller




Bluelab’s pH Controller takes the guesswork out of maintaining the optimal pH level, no testers or solutions needed. Just set the controller to desired level and it will track and corrections pH up and down as needed. The plant-safe backlit LED screen provides an accurate real-time reading of pH level with an easy to navigate menu to adjust settings, calibrate, and more. Comes with built-in safety precautions including low and high pH warning indicators and safety lockout to prevent overdosing.

  • Includes: controller, 13′ dosing tube, power supply, replaceable pH probe and temperature probe
  • Use with reservoirs up to 200 gallons
  • Tracks and controls pH


Only 1 left in stock

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Bluelab pH Controller

Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The pH is taken care of. For use with reservoirs up to 200 US gal/760 L. Plant-safe green backlit LCD with adjustable brightness and large, easy-to-read display. Easy to navigate menu to program, adjust settings and calibrate by a simple push of a button. Flashing high/low alarm with control lockouts to protect from over-dosing. Auto resume dosing on restart after power loss. Includes: water-resistant, wall mount housing, 13 ft acid/alkali resistant dosing tube, international power supply, replaceable double junction pH probe and temperature probe (for pH ATC). Use with undiluted Bluelab pH Up or Down. 6 month guarantee for Bluelab pH Probe.

Features & Benefits

  • High flow rate of 120 ml/min delivers precise pH correction  
  • View your reservoir pH on your device no matter where you are (requires Connect Stick and Connect software)  
  • Controls pH in the up (alkali) or down (acid) direction 
  • In-built safety lockouts help to prevent overdosing 
  • Dosing settings ensure effective mixing before next dose 
  • High and low alarms to alert you when pH is out of acceptable range 
  • 2-metre/6.6-ft probe and power cable lengths and 1.2-metre/3.4-ft total tubing for best positioning and viewing 
  • Flexible mounting options for walls, posts, and racks 
  • Large and easy to navigate menu to program and adjust settings  
  • English, German, Spanish, French and Dutch screen display languages  
  • Replaceable pH and temperature probes 
  • Replaceable tubing, peristaltic pump, and cassette  

View Bluelab pH Controller Product Information Sheet

View Bluelab pH Controller Care and Use Guide

Weight 2.15 lbs
Dimensions 4.3 × 8.2 × 7.8 in


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