I am starting to take my tub and all body parts down to bare metal. What steps should I take to prevent it from flash rusting? Is there something that I can spray on it as I go before I prime it? I plan on having a proffessional paint job done and want something that isn't going to affect the finish when I take it to them, but to save money I plan on doing most of the body work. Any input would be great. Btw anyone know of a cheap sandblaster in the central texas area?