Removes Rust Since 1882 Stainless Steel Chrome Fiberglass Porcelain Ceramic Cooktops Copper Tile Brass "Once Tried, Always Used" Kitchen : Cleans and polishes stainless steel, cookware, sinks, cooktops, non-stone countertops, ceramic, porcelain, and copper. Bathroom: Cleans sinks, tubs, showers, toilets, faucets, tile and grout. General Household: Great for restoration projects. Cleans stainless steel, copper, brass, chrome, ceramic, porcelain, tile plastic, and fiberglass. Use on door and window hardware, knobs and hard synthetic flooring. Removes plant stains and pollution grime from hard surfaces. Erases rust stains from concrete, masonry, and grout. Removes brake dust from wheels. Cleans siding, boats, bikes, grills, tools and sports equipment.