You have cleaned and cleaned, and yet the acrid aroma of pet urine remains. Simple Solution Urine Destroyer will eradicate that smell with Pro-Bacteria™ and enzymes that target and break down pet urine proteins. Eliminate the source of the odor and remove it permanently, rather than just masking it. Urine Destroyer is safe to use on carpets, upholstery, hard surfaces, cement, and all other water-safe surfaces. Safe for use around children and pets when used as directed.