Only 1 ounce per full load gets fabric cleaner, brighter and fresher than ever, even in cold or hard water. Very concentrated, a little goes a long way. Great for hand-washables and delicates, and can be used to pre-treat stains before washing. Naturally safe and controls musty odor on towels and clothes left longer in the washer. Rinses clean leaving no skin irritating residue. Great for people with sensitive skin or allergies. Biodegrades rapidly without harm to the environment. Contains no metasillicates, borax or caustics. (32oz., 64 oz., 5-gal.)