Rust-Oleum® Rust Dissolver removes even the toughest rust quickly and effectively, restoring surfaces to like-new condition. Available in liquid bath, gel, and jelly forms, it provides flexible application options for various metal types. The water-based formula works on iron, steel, aluminum, chrome, galvanized metal, porcelain, tile, fiberglass, glass, auto cooling systems, and firearms—either through brushing or soaking.