With 3 times the power this fast-acting formula permanently and completely removes even the toughest pet stains & odors. Simple Solution combines advanced cleansers with beneficial bacteria and enzymes. This combination provides a powerful punch yet is safe to use on both new and old problem areas - including carpet pad odors, upholstery, pet bedding, clothing, tile, concrete, brick and any other water-safe surface. Better yet, all the ingredients in Simple Solution are non-toxic and are harmless to pets and people.