HYGEN PH DOWN 500ML
HY-GEN® pH DOWN contains 85% food-grade Orthophosphoric acid and will LOWER the pH when added to your growing system.
It’s recommended that you prepare your nutrient solution first and allow it to equilibrate; this can take up to 60 minutes depending on the size of your tank.
Always add the required amount of pH DOWN to a small separate container of water and mix well before adding to your nutrient tank
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