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Message: <blockquote data-quote="muskyhunter1978" data-source="post: 510464" data-attributes="member: 34965">NEW Update:Still cleaning.  I feel this is the most important step and am taking my time to get as much of the white stuff out of the aluminum pits as possible. I'm find that wire brushes and vinegar do little to remove some of the white corrosion spots in the pits.  The stuff is hard as a rock.  I've since resorted to a burr bit on a dremel and am going pit by pit and grinding it out of there.  While I realize the burr bit is not stainless, I feel like leaving remnents of the the corrosion is worse.  That and I never see people talk about taking drill bits and punching holes in aluminum and it causing issues.  Something that has me thinking as I do this.  Corrosion, like rust on steel, needs oxygen to do its thing.  My thinking is, once as much of this is cleaned out as possible, sealing the metal when I coat with epoxy will prevent the process from continuing.  One more important note.  Many of the through hull bolt holes are sunken in a bit.  This is pretty common i've noticed on many boats.  I am flattening them out as I go so that when the new skin is applied, its as flat as possible to ensure maximum adhesion. I'm about 3/4 of the way through getting it all cleaned up.  Metal has been ordered and epoxy is on its way as well.  Hoping I can get this thing back together by the end of March... we have fish to catch.</blockquote>