Davis Instruments FSR Big Job Fiberglass Stain Remover is a powerful gel formula designed to lift tough stains from fiberglass and gel coat surfaces. It targets deep-set discoloration caused by oil, rust, waterline marks, exhaust, and transom staining—restoring surfaces without the need for sanding or compounding.

Features & Benefits

• Removes oil, rust, exhaust, waterline, and transom stains

• Unique stain-absorbing gel formula

• No sanding or compounding required

• Works on vertical and hard-to-reach surfaces

• Fast-acting and easy to apply

• Restores fiberglass to a clean, like-new appearance

Multi-Surface Use

• Boats and marine fiberglass

• RVs and trailers (road soil removal)

• Shower stalls and household fiberglass

• Outdoor furniture and more

Easy Application

• Apply with brush, sponge, or cloth

• Allow product to sit for a few minutes

• Wipe off or rinse clean

Remove stubborn fiberglass stains quickly and easily with Davis Instruments FSR Big Job—the simple solution for restoring and maintaining clean, bright surfaces.