BioGuard Polysheen Blue Chemical Type_Biguanide and debris from the pool's

and debris from the pool's filter

Its professional strength

and has no effect on overall water chemistry to avoid any re-balancing

we recommend you replace your reagents every year

BioGuard Polysheen Blue Chemical Type_Biguanide and debris from the pool'sBioGuard Polysheen Blue is a water clarifier that is used to clear up cloudy water fast. It works on small suspended particles in the water. This product is highly concentrated, so a little goes a long way. It can be used with all pool and filter types and does not affect pH level. This product also assists in the filtration of cloudy water. Restore your pool water to sparkling blue with Polysheen Blue.