Meguiars Marine One-Step Compound - 1 Gallon [M6701]Marine One Step Compound 1 Gallon Meguiar's Marine RV One Step Compound is an advanced aggressive, yet safe cutting compound with polish that cleans and restores gloss to gel coat surfaces in one step. It removes moderate to heavy oxidation, scratches, stains, and tough water spots on all fiberglass and painted gel coat marine or RV surfaces. Incredible results by hand or by machine. Features: Formula is specifically designed to both clean the gel