Stain & Scale Remover provides fast and effective protection against pool staining and scaling. Its powerful formula holds minerals in solution even in chlorine, bromine, and strong UV sunlight. This fast-acting sequestering agent which holds iron, manganese, copper, and calcium in solution so they don’t react with other chemicals in the water. Using Sequa-Sol at pool set-up and as part of a regular maintenance program will protect pool equipment, pipes, and fittings.