Mapei, Ultracare Acidic Tile & Grout Cleaner

UltraCare Acidic Tile & Grout Cleaner is a highly concentrated acidic cleaner formulated to remove cement grout haze, mortar residue, mineral deposits, rust stains and efflorescence from tile, concrete and masonry surfaces. It is also effective for removing hard-water stains, lime deposits and soap scum. (This product contains no phosphates.)