Abstract: The specification discloses a rust converting paint which may either be of an all solvent type, or a cross blend between a solvent based and a water based paint, in either case having an acid pH and consisting essentially of, a solvent based resin, alcohols and phosphoric acid in an amount sufficient to act as a rust remover, converter and inhibitor. The maximum amount of acid varies with the other components of the paint. The cross-blend paint will also contain water and hydrocarbons. Coloring matter and opacity elements are optional in either version.