Etch your metal before powder coating with RossKote’s Prep Wash. If your looking for the a simple wash to prep & rinse without having to scrub off oil, grime & dirt our unique formulation does the trick. Simply spray through a garden sprayer and rinse with water. When the bubbles are gone, let dry then you’re ready to coat. Our perfectly prepped surfacer works on all metals: aluminum, steel & stainless. Comes in 1/2 gal bottles.