Bio-Enzymatic Cleaning Power. Breaks Down and Removes Tough Stains and Odors. Safe for Use on Multiple Surfaces and Fabrics. Pets, Wine, Diapers, Laundry. It seems everyone has a Bac-Out story. This unique blend of live enzyme producing cultures and lime peel extracts eliminates the toughest stains and odors and their return. What will be your Bac-Out story? Try Bac-Out on Pet Accidents, Carpet, Wine, Diapers and Pails, Laundry, Disposals, Garbage Cans and More.