BACKEssentials pH Buffer 7 250ml
Essentials pH Buffer 7 250ml
Calibration fluid for EC/CF meters.
Essentials pH buffers are a known solution of a certain pH value designed to test the accuracy of pH meters used to measure the pH of a nutrient solution. Use to calibrate your EC/CF meter every week to ensure maximum accuracy. Features CRC Cap for safety
Available to buy direct from of Hydroponic shop in Essex and our online Hydroponic shop