Several years ago I was looking for a solution to remedy my low luster gelcoat. I came upon Poly Coat that people sang high praise for. It was brought up that ZEP hi-Gloss floor finish accomplished the same result for much less money.<br/>I bought into the Zep approach. Sand the coach with Bar keepers friend then apply about 10 coats of the Zep.<br/>When I finished I was VERY...