Procyon Tile, Grout & Stone cleaner is an excellent restorative cleaning product that removes years of soil residue from tile, grout or stone surfaces. Effectively breaks down and removes old grease, oil, soap, dirt, scum, hard water deposits, mold and mildew residues. It will provide you with excellent cleaning results on tile floors, shower, bathrooms, kitchens, clay tile, pool tile, fine stone tile, grout, stone, marble, slate, granite, flagstone, Terrazzo, brick and ultra safety and non-skid floors. It will even clean the bottom of ponds, fountains or pools. Mix with hot or cold water and enjoy the enormous cost savings with an exceptional dilution ratio of 1:8 - 1:64. Odor free, nontoxic, hypoallergenic. No VOC's, enzymes, bacteria, bleach or toxic oxidizing.