Simple Solution Extreme Stain & Odor Remover (1 Gallon) – A professional-strength pet stain cleaner with three times the power of regular formulas, ideal for the worst pet messes. It uses a potent blend of pro-bacteria enzymes to break down and permanently eliminate tough urine, feces, and vomit stains and odors. Safe on carpets, upholstery, and fabrics, this large gallon size is perfect for frequent use and effectively discourages pets from re-soiling treated areas.