With so many pet odor eliminators to choose from, which one works best? Besides replacing the carpet completely, applying a pet odor remover that quickly destroys 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 fast, permanent urine odor elimination. Shop now for Residential or Commercial size quantities and make your pet odor problems history.