Grownet, Skrog 60X60cm
Carabine 40x4mm
GrowShop Baltic pH Minus Double Down
Revive, Advanced Nutrients
pH4.01 Solution Powder, 20g/250ml
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Hesi Starterbox Soil
- -25%
- -25%
Single-use solution of a known and fixed pH 6.86 powder to calibrate pH meters.
Directions for use
pH accuracy is ± 0.01 pH.
The ideal water temperature for calibration is 25°C. Readings must be corrected if the water is at a different temperature.
Temperature table