SKU: HGC722005

GH 1500 PPM Reference Solution 8 oz

$5.99
General Hydroponics´┐Ż 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´┐Ż technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.
  • Size : 8oz