10 Best Fiberglass Cleaner of December 2025

• New gel formula instantly removes grassy marine growth, rust, scum line, yellowing, fish blood and more
• New gel spray formula clings to the underside of boats and other vertical surfaces
• Safe for use on fiberglass & painted surfaces
• No hard rubbing or scrubbing required
• Made with pride in the USA

STAR BRITE

• ONE EASY STEP: Non-abrasive marine cleaner quickly cleans, polishes and protects all fiberglass gel coat marine or RV surfaces in one easy step
• REMOVE LIGHT DEFECTS: Safely and effectively removes light oxidation, haze, minor scratches and swirls
• RESTORE COLOR AND GLOSS: Non-abrasive cleaners and polishing oils easily restores color, brilliance and gloss to fiberglass gel coat surfaces
• SUPERIOR PROTECTION: Provides durable, long-lasting protection against salt air, corrosion and the sun's ultraviolet rays
• VERSATILE: Safe and ffective by hand, DA Polisher or Rotary Buffer. Also available in 16 oz. and 1 gallon sizes

MEGUIAR'S

• Fiberglass Cleaner Gallon
• Brand: Bio-Kleen Products, Inc.
• Part Number: M00609

Bio-Kleen Products, Inc.

• Restores neglected fiberglass finishes effected by weathering
• Preps surface for follow-up wax shine and protection
• Improves wax bond,spread and staying power
• Pack of 2

Collinite

• Clinging spray on gel that increases surface penetration
• Rapid action quickly penetrates and dissolves in seconds
• Leaves surface sparkling clean
• Excellent for hand and automatic washing operations
• Use on fiberglass boats, RVs, metals, tires and rims, props and outboards, pontoons, sinks, bathtubs, shower stalls, toilet seats and bowls, stainless steel fixtures, swimming pools, ceramic tiles and grout

Bio-Kleen

• Formulated to begin working on contact to lift and remove unsightly grime, yellowing and waterline stains
• Very effective at removing rust stains or leaf stains from fiberglass or painted surfaces
• Will not harm the surface being cleaned and is an ideal preparation for polishing the hull
• Star brite products are proudly made in the United States since 1973

STAR BRITE

• Clinging spray on gel that increases surface penetration

Bio-Kleen

• Gel"sticks" where it is sprayed, making it ideal for vertical surfaces
• Penetrates into the stain to lift and remove it without heavy scrubbing
• Safe for all fiberglass surfaces; does not contain dangerous, caustic acids
• Ideal for removing "yellowing" and scum lines on hulls
• Dissolves rust, fish blood, dried leaf spots and other tough stains

STAR BRITE

• Powerful - Instantly dissolves soil, film, residue, rust & removes water spots without hard scrubbing
• Versatile - Use on shower doors, bathtubs, spas, pools, vanities, sinks & fiberglass boats or RVs.
• Effective - Heavy-duty formula instantly cleans & removes tough stains, soap scum, lime scale & rust
• Non-Abrasive - Restores natural color & texture to leave bathrooms & fiberglass sparkling clean.
• Recommended - Works great on most bathroom surfaces including ceramic, porcelain, fiberglass & tiles

Weiman

• Highly effective on all fiberglass, acrylic and cultured marble surfaces
• A one step polish and protector that combines the most powerful protective agents with the highest quality Carnauba waxes to produce a long lasting shine
• Removes water spots! Polishes and protects fiberglass and acrylic surfaces to produce a “like new finish"
• Prevents dirty water build-up, removes oxidation and rejuvenates the surface. Excellent for the inside and outside of RVs as well as tubs, showers, spas, basins and stainless steel surfaces. Highly recommended by fiberglass manufacturers throughout the world
• An absolute necessity for maximum RV surface care and protection

TR Industries