Managing your pH is a doddle with this nifty little kit which both monitors AND adjusts pH levels for you. Completely plant safe, with a dosing lockout feature to prevent over-dosing and will automatically continue dosing once it's been restarted from any power loss. Easy to use on-screen guide. Set it - forget it. your pH is taken care of. Controls pH in the up (alkali) or down (acid) direction Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control Controls pH in the up (alkali) or down (acid) Direction In-built safety lockouts prevent overdosing Dosing routine allows for effective mixing before next dose Auto-resume dosing when restarting after power loss High and low alarms to alert you when pH is out of range Acid- and alkali-resistant delivery tubing 2-metre/6-ft probe and power cable lengths and 1.2-metre/4-ft total tubing for best positioning and viewing Flexible mounting options for walls, posts and racks Easy-to-clean display built for clean environments Fine-tune your reservoir pH The Bluelab pH Controller takes the complexity out of pH management, making precision easier than ever before. That’s because the in-built peristaltic pump provides precise control, delivering doses within a 0.1 pH tolerance. The Bluelab pH Controller is also easy to use and programme; simply choose the pH control direction that’s best for your growing setup in the settings. You can either adjust for the pH-up (alkali) or pH-down (acid) direction. In addition, this controller comes with a temperature probe, ensuring that all your pH measurements and doses will be automatically compensated for temperature. Simply set your pH target and let the Bluelab pH Controller do the rest.