General Hydroponics®, pH Down, Liquid, Acid, Premium Buffering For pH Stability (1 Gallon)

General Hydroponics® pH Down, 1 Gallon

Bring nutrient solution pH into the range your plants need with General Hydroponics pH Down. Its food-grade phosphoric-acid formulation helps lower pH and support stable, consistent hydroponic feeding.

Why growers use GH pH Down

• Liquid acid pH adjuster for hydroponic nutrient solutions
• Food-grade phosphoric acid formulation
• Helps lower pH to the proper level for your crop and system
• One-gallon size for larger reservoirs, gardens, and regular maintenance

How to use

Test your nutrient solution, add pH Down according to the product directions, mix thoroughly, and test again. Make gradual adjustments rather than overcorrecting, and use appropriate protective equipment when handling concentrated acid products.

Keep the container closed and store it safely according to the product label.