Fresh Step Clorox Urine Remover for Stains and Odors (32 Ounce Spray Bottle + 128 Ounce Refill Bottle) Removes urine stains and odors on soft and hard surfaces Hydrogen-peroxide base removes uric acid crystals and breaks down the cell structure of naturally occurring bacteria in urine Breaks down urine odors to eliminate, not mask the smell Great for bathrooms and tough pet stains