This product is made to restore any type of metal back to its original luster. The Brass/Copper Tarnish Remover INSTANTLY removes heavy tarnish without rubbing. Safer than traditional acid-based cleaners. Just spray and rinse. Use Indoors or Out. Safe on Glass, aluminum, painted surfaces, fiberglass, stucco, brick, porcelain, brass and copper. Works great on heavy tarnish, rust and corrosion, calcium deposits and stains, heavy oxidation, water spots and stains. Not for Chrome or Patina finishes. The Liquid Polish is a diluted version of our original paste formula, this product is a high-performance cleaner and polish in a liquid form. Specially formulated to clean and polish with the ease and economy of a liquid, this concentrated formula goes three times farther than other liquids and leaves a brilliant shine in half the time. Cleans & Polishes: Brass, Copper, Silver-plate, Sterling Silver, Chrome, Stainless Steel, Nickel, Bronze, Solid Gold, Aluminum, Anodized Aluminum, Pewter and Factory Hot Gun Bluing. Removes: Tarnish, rust, water stains, heat discoloration, oxidation & fingerprints. USDA AUTHORIZED. ENVIRONMENT FRIENDLY. NON-TOXIC.