Lustro Italiano Etch Remover 8oz. Lustro Italiano Etch Remover is a combination of specially formulated polishing powders designed specifically to remove etch marks, water marks, water rings, dull spots, and even light scratches on marble, travertine, limestone, alabaster, and onyx stone.Lustro Italiano Etch Remover 8ozRemoves etch and water marks on marble, travertine, limestone, alabaster, onyx. Not for use on granite.