Rank: Fiberglass Star Advanced Member
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This cleaner will work to get off those nasty black streaks in your hull and also clean the waterline stripe:
Alumisol brightener.
You can find it at any commercial truck or trailer dealer. Also known as "trailer wash". It contains hydrofloric acid. Comes in gallon jugs and looks pink. I just wiped it on with a sponge (use rubber gloves). Wait about 5 minutes and hose off. Also works good on the aluminum stair treads to make them look brand new. CAUTION: keep it away from the glass windows. It will etch glass.
Thanks, Craig
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Rank: Administration
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what does it do to paint (Awlgrip, for example)? Joel Albert, Potomac MD
"Charlie B" - 1988 32' FBS
Twin 318's/FWC/16x15 nibral props
docked Deale, MD
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Rank: Marinette Royal Aluminum Poster (300+) posts
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When we clean our hull we are not cleaning alluminum. We are cleaning the coating on the alluminum. I would try a test sample this stuff sounds like it has hydrochoric acid in it since it will etch glass. dave None
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Rank: Fiberglass Star Advanced Member
Groups: Member
Joined: 1/13/2008(UTC)
Posts: 31
Points: 96
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I don't know about Awlgrip, but it doesn't hurt the original paint at all. I would assume it would be ok since it's not a solvent.
-Craig
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