GH pH Down 1 Gallon

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✓ In-store pickup: call (978) 278-5898 to check availability
✓ Talk to a real grower: (978) 278-5898
✓ Heavy soils & media are local pickup only

General Hydroponics pH Down lowers nutrient solution pH with a phosphoric-acid formula. Essential for keeping reservoirs in the optimal uptake range for hydroponic, coco, and soil grows.