Pro's Choice "Soil Release" extraction solution is a high performance cleaner designed for use on all generations of nylon or olefin carpets. Soil Release was designed to be extremely effective with or without hot water and is compatible with most enzyme based odor treatments. You'll love the fresh clean fragrance it leaves.Dilution: Up to 2 oz. per 5 gallons waterpH at dilution: 9.5Container Sizes: GallonForm: Liquid