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sanding to bare metal

  1. Recoating with Pettit Barnacle Barrier question

    General Discussion (sailing related)
    I used Pettit Barnacle Barrier (PBB) last year with very good results. This year I'll use it again, BUT I don't want to follow the directions which state that the shaft and prop should be sanded down to bare metal. Both are still mostly coated with PBB. Why can't I just give them a light...