Removes rust, lime, stains & tarnish. Ceramic. Stainless steel. Porcelain. Tile. Copper. Since 1882. Cookware. Kitchen. Bathroom. Eliminates tarnish, stains, soap scum, rust, hard water deposits and leaves a brilliant shine! Recommended by: All-Clad; Build.com, Calphalon, Cutco, Dacor, Electrolux, Elkay, Franke, Formica, General Electric, Kohler, Tramontina, Viking, Volrath, and many others. Once tried, always used. www.barkeepersfriend.com. A superior cleanser for kitchen and bathroom.