Bring faded fiberglass and weathered surfaces back to life with Flitz Fiberglass Cleaner for Heavy Oxidation, available at House of Knives. This powerful yet non-abrasive formula removes heavy oxidation, chalking, rust, tarnish, water stains, and other stubborn buildup while restoring a smooth, polished finish. Ideal for boats, RVs, motorcycles, automotive surfaces, and outdoor equipment, it also safely cleans and protects a wide range of materials including aluminum, brass, chrome, stainless steel, silver, painted surfaces, acrylic, and glass. Easy to apply and buff, Flitz delivers professional-quality restoration without scratching, leaving surfaces clean, protected, and looking like new. Not recommended for electroplated finishes.