A powerful, acid - based cleaner for ceramic tiled floors and walls. TILE CLEANER is designed to remove cement residues, efflorescence and most oxide stains. It may also be used as general purpose cleaner on other acid-resistant surfaces. Tile Cleaner can be used to remove cementitious grout and adhesive residues, hard water deposits, and other hard stains from ceramic and vitrified tiles, walls, and floors. The cleaner is water soluble and can be used at desired concentration levels for stain removal.