pH Up & Down Adjusters

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

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

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

GH pH up solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.

GH pH up solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.

GH pH up solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.

Advanced Nutrients’ own pH Down is a professional, pharmaceutical grade version of phosphoric acid that immediately lowers hydroponics pH without harming the plants.

Advanced Nutrients pH-Up maintains optimum pH levels for hydroponically and soil grown plants. If you have a pH that’s too high or too low, your crops cannot uptake nutrients, and may well be damaged or even killed.

Highly concentrated, use conservatively.

Highly concentrated, use conservatively.

Highly concentrated, use conservatively. Slowly add to water and nutrient solution, at small intervals.

General Hydroponics pH Control Kit comes with everything you need to test your pH and adjust accordingly with the pH Up and Down solutions.