General Hydroponics Liquid pH Buffer - Premium Stability Solution, Quart Size, Orange

• 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

The acid formulation uses food grade phosphoric acid to lower the pH to the proper level.