Calibration Solutions (16 oz twin pack, pH 4 & 7)

$ 19.95


Calibration solution twin pack (pH 4 and pH 7) allows for an accurate calibration across the critical pH region for effective nutrient solutions. To maintain crop health and maximum production calibrate pH meters and controllers once a week. Do not contaminate the calibration solution by leaving the cap off or pouring a used sample back into the bottle.

You may also like