pH Down - Acid is formulated using food grade Phosphoric acid - pure plant nutrient. Just add a little at a time if your nutrient pH is too high and this will lower the pH to within range. Simple, reliable and effective.
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Most Helpful Customer Reviews
A little of this, a very little, significantly changed the PH of my 700 gallon aquaponics tank. The move was drastic enough to where I applied just a bit of the matching PH Up product to get fact to about 7.0.
must have for synthetic fert mixes. little goes a long way
best on market
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