With so many pet odor eliminators to choose from, which one works best? Besides replacing the carpet completely, applying a pet odor remover that’s capable of destroying nitrogen within pet urine is the best way to stop pet odor in a house. As old as time, Mother Nature has been removing organic waste with the enzymes created by decomposing bacteria. Ur-OUT mimics Mother Nature by releasing countless probiotic enzymes that break down the nitrogen for permanent urine odor elimination. Shop Now and make your pet odor problems history.