E-Z Clor No Phos Metal Magnet is a multi-purpose sequestering product formulated to remove and prevent metal stains and scale without contributing to a phosphate level. This fast acting and long-lasting product prevents and protects all pool finishes from staining and scaling. Ideal for new plaster start-ups, this product's unique formulation and performance capabilities controls plaster dust. Use routinely to stop new stains and scale build up from forming.