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Old 26-02-2013, 16:21   #1
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Mystery anti fouling

Hauled the boat, lots of barnacles,except where I had spilled something.

Steel boat, hull spray coated with aluminum. Yes that is right. Painted with normal aluminum anti fouling last May. A couple of days before launch I spilled something on the deck, I can't really remember what. It might have been some phosphoric acid as I was cleaning a rust spot. It dribbled down the hull.

Now when I haul I have this clean line where the spill was. About six inches wide. No barnacles, no growth.
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Old 02-03-2013, 14:39   #2
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Re: Mystery anti fouling

WOW what was that stuff - I wonder if it will work on a wooden hull - try and extablish what that was - it may be your own cocktail and you could be onto something and become the next Billionare - MVR
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Old 02-03-2013, 15:18   #3
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Re: Mystery anti fouling

When you say aluminum antifouling, do you mean to say antifouling for aluminum boats? Because that would mean a paint that is very effective, but denied to those of us with hulls other than aluminum. Tributyl tin oxide (TBTO) is a very powerful and effective antifouling agent, tremendously toxic to marine growth, but one which doesn't attack the aluminum substrate. We used to be able to buy one ounce bottles of it to add to our conventional bottom paint here in San Diego. But no longer.
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