APi Revive! product is a high quality phosphate remover that has multiple added benefits. Remove phopshates up to 2,000 ppb, and also remove up to 2.0 ppm of copper and iron in the water. It will prevent scaling carbonates, and clarify the water from organic debris. The Revive! liquid formula safe for all pool equipment and surfaces, and it is compatible with sanitizers such as chlorine, bromine, biguanide, and salt. Use this product to start up, cleanup, and maintain high water quality.