Professional strength filter cleaner for removing oil, scale, organics and other grime from your pools filter. Eventually these materials cannot be removed with washing, rinsing, or backwashing. Filter Magic will help by using its complex formula of wetting agents, surfactants, cleaning compounds and release agents to quickly loosens and removes oils, combined organic matters, calcium deposits and biguinide polymer material. Can be used as a backwash or as a soak cleaner. Compatible with ALL types of sanitizers. Compatible with ALL filter types.