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Rank: Member
Groups: Member
Joined: 1/13/2008
Posts: 27
Points: 84
Location: Sandusky Ohio
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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
Groups: Administration
, Member, Other Mods
Joined: 12/4/2007
Posts: 871
Points: 16
Location: Potomac MD
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what does it do to paint (Awlgrip, for example)?
Joel Albert, Potomac MD
"Charlie B" - 32' FBS
docked Deale, MD
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Rank: Top Rank Aluminum Star
Groups: Member
Joined: 12/4/2007
Posts: 291
Points: -176
Location: Lake Barkley
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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
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Rank: Member
Groups: Member
Joined: 1/13/2008
Posts: 27
Points: 84
Location: Sandusky Ohio
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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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