Davis Instruments FSR Fiberglass Stain Remover

Stain-absorbing gel ideal for removing oil, rust, exhaust, waterline and transom stains. Also used for stains on fiberglass in other locations, such as shower stalls. Use to remove road soil from trailered boats and recreational vehicles. Non-abrasive; safe for white painted surfaces and gelcoat. No sanding or compounding needed. Apply with a brush, sponge or cloth.