GH pH 4.01 Calibration Solution 8 oz (12/Cs)

Product Code: HGC722015

Availability:In stock

In-Store Location: @E15 

General Hydroponics® Meter Calibration Solutions

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.