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I Love microskiff.com!
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Discussion Starter · #1 ·
I've got some aluminum with deep pitting.  How do I clean out all of the corrosion before painting?  Unfortunately grinding the pits out is not an option.

Thanks
Swamp
 

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I Love microskiff.com!
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That is the only thing I know of either. I was hoping there might be a chemical treatment like Phospho is used for steel. Oh well, luckily there is not much.

Swamp
 

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I Love microskiff.com!
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Humm, had not considered that one. I think I still have some crushed walnut shell too. Now I just have to find my blasting gear.

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Swamp
 

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Brandon, FL
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Trisodium phosphate or TSP (Lowe's, HD). Mix it well and and scrub then rinse with water and rinse/wipe and then do it again and once sry ready for paint.
 

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don't let common sense get in your way
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I've got some aluminum with deep pitting.  How do I clean out all of the corrosion before painting?  Unfortunately grinding the pits out is not an option.

Thanks
Swamp

best option is media blasting - followed by chemically etch priming - followed by epoxy coating...
 
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