Fuel Additives in Europe It was interesting to read your fuel additive tests (see “Are Copper, Zinc, and Brass Mucking Up Our Fuel?, PS December 2019) and about potential effects of copper in fuels. Though long being established as a potential issue, this may be a problem only in some areas around the world. In […]
When applying a paste cleaner, a toothbrush is useful for buffing tight spots and working into the pores of welds; follow by buffing with a cotton cloth. A green 3M scrubby pad helps for removing more aggressive stains. Continued rusting in welded areas might indicate a developing failure, requiring replacement. Rinse thoroughly with fresh water and mild soap when done buffing.