Dry Acid - pH down 3 kg
Lowers pH and total alkalinity in pool and spas.
Active constituent sodium bisulphate.
To reduce total alkalinity:
150 grams of pH down will lower total alkalinity by 10ppm per 10,000 litres.
To lower pH:
7.6 - 8.0 pH add 60 grams per 10,000 litres.
8.0 - 8.4 pH add 120 grams per 10,000 litres
Above 8.4 pH add 180 grams per 10,000 litres
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