GroWell Hydroponics & Plant LightingGroWell Hydroponics & Plant Lighting

Calibration & Storage Solutions

SKU# G99

The solutions for super accurate calibration. Use these at 25 degrees centigrade and never keep an opened bottle for more than 6 months. We only recommend using pH 7 buffer when calibrating our Hobby pH meters.

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Code Price Qty
0125 pH 7 Buffer - 250mls
£3.95
0126 cF Standard (2.76mS/cm2) - 250mls
£3.95

Availability: In stock

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