Even after cleaning the stain, the smell of ammonia from the urine can linger. But white vinegar can neutralize that odor. \r This is especially helpful with pee stains from the family pet. Dogs and cats may return to the same area to urinate if they detect the smell. One downside, however: white vinegar has a strong smell itself. This is where you might want to consider an enzymatic cleaner. We'll explain why they're the ideal choice for cleaning pet urine further down in the article.