Pool Care Filter Sand, 50-Lb.

Cloudy water can be a result of an inefficient sand filter. HTH™ Pool Care Filter Sand helps ensure your filter is doing its job, so you maintain a clean, clear pool all summer. Only HTH™ provides the purest, most closely sized pool filter sand available, thanks to a rigorous washing and grading process. This product is great for all swimming pools that use sand filters, including salt systems.Simply follow your filter manufacturer’s recommendations for filling a new filter or for replacing sand in an existing filter. For best results, refresh your filter sand every 1.5 years for year-round pools or 3 years for seasonal pools.