Brand: General Hydroponics

Product Code: 793094015714

Availability: In stock

$7.95
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General Hydroponics 1500 PPM Reference Solution 8oz

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.