Traditional cleansers will mask the smell of pet urine or other pet odors with perfumes. Enzyme cleaners, however, contain enzymes that break down the molecules that cause stains and odors. These are really the best way to remove the smell. However, if you can' find pet enzyme cleaners, you can try this homemade solution for removing the smell of cat urine. … [Read more...] about How do pet enzyme cleaners work?