Hey boat owners, if your gelcoat is looking dull and oxidized, this TotalBuff rubbing compound is exactly what you need to bring back that showroom shine! This stuff is seriously powerful - it cuts through heavy oxidation and can even remove those stubborn 600/800 grit wet sanding scratches that make your boat look tired. I've used it on both my fiberglass hull and painted surfaces with amazing results. You can apply it with a polisher and wool pad for bigger jobs or just by hand for smaller touch-ups. The liquid formula spreads evenly and doesn't dry out too fast, giving you plenty of working time. Just a heads up - after using TotalBuff, you'll want to follow up with their TotalShine Polish and Marine Wax to really lock in that mirror finish. It comes in a quart container which lasts through multiple boats or several seasons of maintenance. Compared to Meguiar's or 3M products, this stuff holds its own and was actually developed by boaters who know what we need. Seriously, your neighbors at the marina will be asking what magic you used to make your boat look brand new again!