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  • GH pH 7.01 Calibration Solution 8 oz
General Hydroponics

GH pH 7.01 Calibration Solution 8 oz

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.

  • $8.23
  • - $-8.23