Polish aluminum boat rails to a like-new shine! 3m marine aluminum restorer and polish restores the luster to oxidized aluminum boat rails, hulls, and pontoons.. Fiberglass and gel coat repair - your boat’s paint job will not stay pristine forever. Meguiars mirror glaze #47 hard water spot remover - removes hard water spots from fiberglass surfaces! boats are made for water but that doesn’t mean they are.
