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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.
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Store in a cool place out of direct sun and heat
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They should be stored with the lids securely tightened
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