Contains Sodium Hydrogen Sulphate.
Dosage 1kg per 100 cubic metres (1lb per 10000 gallons).
Dose rate can be doubled in hard water pools.
RRP £20.00
6 kg Dry Acid.
pH-Minus granules lower the pH value of the pool water, and should be applied when the pH is above 7.4. The enclosed dosing scoop allows easy dosing of the granules, as well as an accurate adjustment of the pH value.