1. No need for damp cabinets or long rusting periods for quality bluing.
2. Heat the part to 150°-200° F, apply solution, and card with a wire wheel or steel wool.
3. Parts must be immersed in boiling water for 5 minutes before carding when using Blue #1.

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.