General Hydroponics pH Down Acid Liquid Quart 32oz

pH Adjustors are used to maximize plant growth, the pH content of your nutrients should be slightly acidic. The ideal pH for most crops fall between 5.5 and 6.5. pH Down Acid is formulated using food grade phosphoric acid. Add a little at a time if your nutrient pH is too high in order to lower the pH to the proper level. 32oz