Odor digester contains enzyme-producing bacteria that digest malodors and waste caused by dampness, mildew, mold, food, urine, vomit, fecal and organic matter. Nonstaining formula will not stain carpets, upholstery and water-safe surfaces. Odor digester is nontoxic to animals and humans for safety. Odor digester is perfect for use on carpet, upholstery, concrete, cinder blocks, porous surfaces, grout joints, painted surfaces, garbage cans and more.