Keeping your pH meter calibrated is essential for taking accurate readings and keeping your nutrient solution within the correct pH range. Essentials pH buffer 4 Calibration Fluid provides a solution for you to accurately calibrate your pH meter.
Use regularly to keep you pH meter calibrated, it can be used with any brand of pH meter.
This is a corrosive material. Consult the manufacturers safety documentation before using.
Available in 250ml bottles or 30ml sachets.
250ml Bottle, 30ml Sachet