Join Date: Feb 2010
Location: Narragansett Bay
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Re: Pettit barnacle buster vs rustoleum cold galvanizing compound
Cold galvanizing is essentially zinc paint. I'm sure barnacle prevention takes more than just zinc. I think there is zinc in barnacle paint, so that it remains anodic and doesn't corrode what's is applied to, like regular anti-foulant might.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.