Genlabs Certi-Green Concrete Film Remover and Cleaner

A fast acting, biodegradable organic acid salts cleaner designed to clean cement, mortar, lime deposits, efflorescence, sanded grout residue, hard water deposits, rust and other heavy accumulated dirt and grime. This product is designed for use on non-polished surfaces like limestone, concrete, slate, granite, marble, sanded grout, porcelain & ceramic tile.