GH pH Down Liquid Gallon

The acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. Widely recognized as a consistent and reliable product.

• Acid formulation uses food grade phosphoric acid
• Add when your nutrient pH is too high in order to lower the pH to the proper level
• Promotes pH stability
• Adjust by adding a little at a time
• Recommended pH for most plants is 5.5 to 6.5 pH