Flitz Calcium Rust Lime Cleaner Flitz Calcium, Rust & Lime Remover Tough on Stains, Safe on Surfaces Effortlessly remove hard water stains, calcium buildup, rust, and heavy oxidation with Flitz Calcium, Rust & Lime Remover. This organic salt-based formula is safer than traditional acid cleaners while delivering powerful results on a variety of surfaces. Safe for Use On: Glass, Plastic, Acrylics Aluminum, Brass, Copper, Stainless Steel Fiberglass, Tile, Painted & Enamel Surfaces Instantly Removes: Hard Water Spots & Calcium/Lime Deposits, Heavy Tarnish, Rust, Corrosion & Oxidation, Grease, Oil, Soap Scum & Water Stains How to Use: Spray directly onto the surface. Wait up to 1 minute (DO NOT LET DRY). Rinse thoroughly with water. For tough buildup, repeat and scrub with a brush. Seal & Protect: After cleaning, apply Flitz Sealant to prevent future stains and buildup. Do s & Don ts: DO use on metal, fiberglass, tile, and more. DON T use on marble, granite, travertine, or terrazzo. Get professional-grade cleaning with Flitz Calcium, Rust & Lime Remover!