PH 7 Calibration Pouch

PH 7 Calibration Pouch

PH 7.0 Calibration Solution, 500mm

Categories: Growing Supplies, System Maintenance, Wholesale

Description

PH instruments are calibrated to pH 7.0 first (buffer) and then to pH 4.0 (slope)
Store in a cool place out of direct sun and heat
They should be stored with the lids securely tightened