Urine Off Small Animal Formula, the #1 Veterinarian recommended product for urine odour and stain remediation, breaks down dried uric acid crystals â?" the primary source of odours caused by small animal's urine. Not a perfume or cover-up, it actually eliminates all three major components of small animal urine; urea, uric acid, and urochrome. It even works on ferret urine, considered by many to be one of the most potent odours caused by small animals. Urine Off is ideal for cleaning cages and areas where small animals are kept. Urine Off is the only product that carries the â??Seal of Approvalâ? from the Carpet and Rug Institute (CRI), the U.S. Carpet Authority. Urine Off is the only product endorsed by Interface Flooring forefficiency and is the official show-ring cleaning agent for Crufts, the worldâ?TMs largest dog show. All Urine Off products are â??Greenâ?; they meet strict EU standards for bio-degradability.