Liquid Marine 1000 uses advanced abrasives that provide the broadest buffing capability with minimal swirls. It is formulated for remoiving 1000-grit and finer sanding scratches from both gel-coat and acrylic/polyurethane painted surfaces. Liquid Marine 1000 excels at repairing paint defects, removing oxidation, surface abrasions, and environmental damage while brining the finish to a beautiful shine.