ULTRACARE ACID CLEANER is an acid-based, multi-purpose, concentrated liquid cleaner for removing tough traces of cementitious products from ceramic tiles, glass mosaics and acid-resistant natural stone. Ideal for cleaning after installation work and grouting with cementitious products. Recommended for removing traces of dirt, including of organic nature, hardened residues of cementitious products, saline and lime-based efflorescence, rust stains, tough stains and marks left by slip on tiles.