Descale-It Pool and Spa Cleaner (32 FL Oz)

Transforms and softens hard, sunbaked deposits into a soft paste that brushes and rinses away with water. Softens lime and calcium build-up, removes water spots and rust from glazed tile, metal, acrylic and fiberglass surfaces common to swimming pools and spas. 100% Biodegradable. Cleans and shines metal handrails and fixtures including copper, aluminum, chrome, brass and stainless steel without fumes or harsh mineral acids. Directions: Apply Descale-It Pool & Spa Cleaner and allow to work 30-45 minutes, then brush and rinse. Repeat application, if necessary. Note: Do not use on unglazed tile, Pebbletec, wood, concrete or natural marble. Not recommended for us on colored grouts, unless properly sealed.