Meguiar's 16oz. Heavy Duty Oxidation Remover is a professional-grade solution designed to restore color and clarity by eliminating moderate oxidation, scratches, stains, and stubborn water spots on all fiberglass gel coat marine and RV surfaces. Its fast-acting formula safely addresses light to severe surface defects without wax or silicone, making it ideal for use by hand or machine on fiberglass, high-tech paint, and gelcoat finishes. This remover effectively revitalizes surfaces, extending the life and appearance of your marine or RV investment.