Topcat Pet Products, Inc.

Odor and/or stain control by NATURE'S MIRACLE in 32 Oz. bottle. The original (Nature's Miracle) enzymes stain and odor remover in the pet industry. This product is designed to eliminate all stains and odors from pet accidents permanently. Nature's Miracle eliminates urine odor with no perfume cover-up (discouraging new pet soiling), removes organic stains and odors, including food, blood, vomit, feces, grease, dirt, smoke, grass, and perspiration and is intended for use on carpets, floors, furniture, clothing, cages, litter boxes, and pet sleeping and living areas. This product is non-toxic, non-flammable, non-caustic, and non-acidic. Safe for use around children and pets. Also safe on colors and all water-safe surfaces.

This product is rated "two paws up" by Topcat and Sweetie's Mom, Anne. For cat stains, this is the best solution I've found.