No damp cabinets or long rusting periods required to get top-quality, good-looking blues and browns. Heat gun or part to 150°-200° F. with propane torch; swab on solution, and card with soft wire wheel or fine steel wool. Blue #1 does require parts be immersed in boiling water for 5 minutes before carding. Mfg: Mark Lee SPECS: 4 oz. (118.2ml) and 16 oz. (473ml) net contents bottles. Detailed instructions.