General Hydroponics pH 4.01 Calibration Solution 8 oz

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General Hydroponics pH 4.01 Calibration Solution 8 oz

$9.43 (as of July 15, 2019, 11:15 am)

precisely calibrated to yield reliable readings
8 Ozs

Usually ships in 1-2 business days

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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.
precisely calibrated to yield reliable readings
8 Ozs

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