STINK FREE Instantly Urine Odor Remover for Pet Urine has an aggressive, fast-acting formula that removes pet urine odor and ALL urine odor, including the urine odor that only pets can smell. It eliminates both the urine odor and its source through the process of Oxidation which breaks down and changes chemical compounds into odorless and inert substances. The oxidation process is augmented and reinforced with an integrated system of odor neutralizers and counteract ants for a powerful multifunctional formula to ensure successful deodorization and urine odor removal under any conditions. STINK FREE Instantly! Urine Odor Remover Stops Odor With a Vengeance and smells good while it is working! Use Full Strength - DO NOT DILUTE.