Now available in a convenient 1 oz. squeeze bottle, Liver of Sulphur XL Gel is formulated for versatility & convenience. Makes up to six 12 ounce portions of concentrated liver of sulphur/water solution. Shelf life is many times that of dry liver of sulphur. Used to patina metals such as silver, copper, bronze, metal clay. Non-flammable and poses no dry inhalation hazard. May be used in its ready form by brushing it onto objects.