AQUA Cop-Out is used for the prevention of stains in swimming pools due to the precipitation of metals such as copper or iron. AQUA Cop-Out will also prevent scale formation and short filter runs. AQUA Cop-Out will also preserve and protect pool equipment, heaters, pipes and fittings from scale formation, clogging and corrosion. If when adding chlorine to the pool, a green or brown colour develops, this may be due to the copper or iron in the water. AQUA Cop-Out will solubilize this material and prevent staining of the pool finish.