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GH Standard Reference Solution 4.01
GH Standard Reference Solution 4.01
Low stock: 10 left
Regular price
$25.75 USD
Regular price
Sale price
$25.75 USD
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per
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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.
Pickup available at Independence Store
Usually ready in 24 hours