General Hydroponics Calibration pH 4.01 Calibration Solution

$6.23
$6.23
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Additional Information

Name General Hydroponics Calibration pH 4.01 Calibration Solution
Brand General Hydroponics
SKU 722015-0
MSRP $7.54
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Details
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.