GH Standard Reference Solution 7.01

GH Standard Reference Solution 7.01

  • $25.75
    Unit price per 
Shipping calculated at checkout.


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.

We Also Recommend