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Old 02-04-2014
Multihullgirl Multihullgirl is offline
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Re: Anti-Fouling Paint on an outboard?

Originally Posted by ericb760 View Post
I've been looking at anti-fouling paint in a spray can to paint the the lower so that I can leave it in the water and only pull it once a week to flush and rinse. Are there any downsides to doing this? I would start with a coat of self-etching zinc chromate primer followed by a couple of coats of the anti-fouling in a can.
On my saildrives, similar to your application:
Started with ZC, then coated with a Carboline epoxy product, then went over that with West Marine's paint-on. Everything but the really shitty WM antifoul is working just fine. I emphatically do not recommend West Marine's OB antifouling.

You say you're pulling it every week, so I suppose even if the antifoul is crappy, you'll have the opportunity to clean it off while it's out.

In retrospect, I wish I'd gone with Trilux. That, or I may really spend some time with the epoxy and go over that with the Trinidad PRO bottom paint that is working a treat, but I was hesitant in that Trinidad is copper and that's another argument for another thread
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