DNF pH Up (Potassium Hydroxide) enables the gardener to moderate and maintain optimum pH levels. The pH scale is a measure that describes the relative acidity or alkalinity of a solution or medium. PH-balancing aids are manufactured using the highest-quality ingredients: nitric acid to lower pH. While ensuring stringent industry safety standards are met, DNF’s pH Down is potent and effective in small doses. Available in 125ml, 250ml, 500ml & 1ltr.

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