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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.
pH refers to the acid content of the nutrient
solution. For plants to be able to grow best it
is important that the nutrient pH be slightly
acidic - the range of 5.5 to 6.5 is considered
ideal for most crops. Generally pH will be fine
and won't require adjustment when our nutrient
products are used since our formulas are
"pH buffered". However there are some
important exceptions., when poor quality water
is used to mix nutrient solution, when pH
unstable media is used such as many rockwool and
gravel products and when plant growth rates are
so high that the nutrient mix is thrown off due
to rapid nutrient absorption by the crop. 8 oz.