Pool sand filter cleaner improves filter efficiency by dissolving accumulated deposits, residue, oils, waste particles and inorganic build-up from pool sand filters!Swimming pool sand filter cleaner is a fast acting and concentrated liquid formulation is easy to use. Just pour into skimmer during the filter backwash cycle. That's it! No waiting and soaking like other types of sand filter cleaners. Backwashing alone removes only large contaminants from your filter. Over time, oils, grease and minerals continue to build up decreasing your filter's cleaning power. By adding this concentrated pool sand filter cleaning formula to your skimmer occasionally during the filter backwashing cycle, caked on contaminants will be eliminated, helping to extend the useful life of your filter sand. Only 8 ounces needed each cleaning!
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