Blue Lab – pH Controller

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  • Regular price £495.95
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Bluelab pH Controller

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. You simply set it, and forget. The pH is taken care of. So you can relax…


Bluelab 2 year Guarantee   Bluelab 6 month guarantee   Wallmount product
2 year guarantee for Bluelab pH Controller and Bluelab Temperature Probe
6 month guarantee for Bluelab pH Probe
(Proof of purchase is required)


  • 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 tubes 


Technical Specifications


Control parameter:

pH - user selectable single
direction (up or down)

Control range: 0.1 - 13.9 pH
Dose rate: 10 ml per minute
Resolution: 0.1 pH

Accuracy at 25 °C / 77 °F:

±0.1 pH

Two or three point
(pH 7.0 and pH 4.0, and/or pH 10.0)

Temperature compensation:

(if temperature probe is in the same solution as pH probe)

Operating environment: 0 - 50 °C, 32 - 122 °F
Power source:

Input: 100-240 Vac, 50-60 Hz, 5 VA,
4 interchangeable plug types (USA, Euro, UK, NZ/AUS)
Output: 24VDC 0.4Amp

Screen languages: English, Deutsch, Espan҃ol, Français, Nederlands
CE Certification Symbol    FCC Certification Symbol    WEEE Certification Symbol