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granular sodium bisulphate formula for easier storage and dosing compared to liquid acids
destroying it along with any bacteria present
Dive back into your pool faster with Poolwise Pro-Shock
Removes build up of oils
Nil Phos - Poolwise Spa granular sodium bisulphate formula forManufactured in New Zealand Poolwise Nil Phos is the strongest formulation to remove the primary food source for algae. Phosphates are introduced into the pool water from things such as dust, soil, runoff from gardens, and swimmers, etc Nil Phos is formulated remove these phosphates as part of regular pool maintenance, as well as a fix for when the phosphate levels of the pool are high. You'll find when your pool is green you'll have high phosphates
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