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Your Delivery may be delayed due to Covid pandemic. Know More
Your Delivery may be delayed due to Covid pandemic. Know More

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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.

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Brand: General Hydroponics

SKU: GL56722030

Dimension Height: 6

Dimension Length: 2

Dimension Width: 2

UPC: 793094015516