Essentials pH Buffer 4 - 30ml Sachet

Essentials pH Buffer 4 30ml Sachet

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.