The Bluelab PH Meter is an accurate way of measuring the pH of your hydroponics nutrients solution. To take a ph reading simply place the Bluelab PH Meter probe into your hydroponics nutrient solution and the ph reading is displayed on the screen. Each Bluelab PH Meter is supplied boxed with instructions, batteries, ph probe and sachet of buffer 7 and 4 to calibrate the unit. Replacement pH probes are also available.
The Bluelab pH Meter comes with a 5 year guarantee on the unit and 6 month guarantee on the pH probe.