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Old 10-29-2013, 12:10 PM   #6
fstbttms
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City: Under a boat, in a marina in the San Francisco Bay
Join Date: Mar 2012
Posts: 615
Quote:
Originally Posted by Astral Blue View Post
I know the EPA is seeking to ban copper, not bottom paint itself.
Ummm... no they aren't.

Quote:
Originally Posted by Astral Blue View Post
The effective paints have approximately 30 percent copper.
Dependant upon fouling conditions of course. In most saltwater environments in California (like where the OP keeps his boat, 60% copper is considered effective. A 30% product is worthless here.


Quote:
Originally Posted by Astral Blue View Post
You can buy the new and improved ineffective bottom paint, buy cupric oxide, and add it to the paint before application.
Simply adding copper to an existing anti fouling paint is guaranteed to be ineffective.

Bear in mind that Astral Blue keeps his boat in freshwater so take his anti fouling advice with a grain of salt.
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