BLUELAB EC 2.77 CALIBRATION SOLUTION 250 ML

Besides a pH calibration solution, an EC calibration solution is a must in the toolbox of every grower. Bluelab EC 2.77 Calibration Solution 250 ml is a high-quality solution for calibrating and/or testing EC probes.

Store in a cool place out of direct sun and heat

They should be stored with the lids securely tightened