GH pH 4.01 Calibration Solution Quart


6 in stock

Sold By: : Groundworks SKU: HGC722020 Category:


General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.


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