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nickrose
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 Posted: Mon Jul 12, 2010 3:04 pm |
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| Seen bumming tubes on The GreenwayJoined: Wed Aug 29, 2007 11:19 pmPosts: 28
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Anyone know where to find oxalic acid in Minneapolis / St. Paul? I've got a rusty frame that I want to de-rust without killing the paint job.
While I'm at it, will a good soak in an oxalic acid solution de-rust a frame without killing the paint job? And how can one tell how deeply the rust goes in a frame, i.e., whether it's surface rust or instead whether it's rust through and through?
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dasunt
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| Posted: Mon Jul 12, 2010 3:45 pm |
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 Has recurring nightmare of descending Ramsey Hill no-handedJoined: Sun Jun 08, 2008 12:00 amPosts: 4390Location: Whipping Cult Central
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I have some that I probably would let go cheap.
It isn't hard to find, they use to to stain decks or something. I can get you more info when I get home and check the bottle.
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Things are rarely just crazy enough to work, but they're frequently just crazy enough to fail hilariously. |
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nickrose
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| Posted: Mon Jul 12, 2010 8:03 pm |
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| Seen bumming tubes on The GreenwayJoined: Wed Aug 29, 2007 11:19 pmPosts: 28
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That would be great. Let me know what you find.
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Dale Cannon
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| Posted: Mon Jul 12, 2010 8:49 pm |
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 Paul Sherwen GroupieJoined: Wed Nov 28, 2007 9:00 pmPosts: 116Location: Mac Grove, baby!
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I picked some up at Wallgreen's years ago.
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dasunt
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| Posted: Mon Jul 12, 2010 9:20 pm |
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| Has recurring nightmare of descending Ramsey Hill no-handedJoined: Sun Jun 08, 2008 12:00 amPosts: 4390Location: Whipping Cult Central
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The stuff I got is called "Dekswood", and its a deck cleaner.
It's a one quart bottle, but I don't know the concentration.
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Things are rarely just crazy enough to work, but they're frequently just crazy enough to fail hilariously. |
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fafnir
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| Posted: Mon Jul 12, 2010 9:44 pm |
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 Junior VarsityJoined: Tue May 29, 2007 2:55 pmPosts: 1674
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marine stores also sell it, very useful for removing scum off of the bottom of boats.
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nickrose
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| Posted: Tue Jul 13, 2010 4:29 pm |
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| Seen bumming tubes on The GreenwayJoined: Wed Aug 29, 2007 11:19 pmPosts: 28
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Sounds like I should be able to get my (rubber gloved) hands on some of this stuff without too much trouble. Has anyone out there used this stuff? Is it as miraculous (removes rust while leaving decals and paint intact) as my wishful thinking leads me to believe?
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steef
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| Posted: Fri Jul 16, 2010 10:48 am |
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 Dances on the pedals in a most immodest wayJoined: Tue Jul 25, 2006 8:27 amPosts: 6266Location: Carpetbagging between the North and the South.
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Yes, it is quite awesomeI. It doesn't harm chrome, either. It works better when it's warmer, and you need to let the parts soak overnight. It's also known as wood bleach. Buy the dry crystals instead of liquid.
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I've spent my riches on bikes, women and booze.
The rest.....I've just squanderd! |
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omgmrj
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| Posted: Fri Jul 16, 2010 11:49 am |
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 Dances on the pedals in a most immodest wayJoined: Thu Feb 12, 2009 11:15 amPosts: 7145
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Hawkins Chemicals, for all your chemical needs. Located at Hennepin and Hwy 280.
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JenNastix wrote: You guys ever wonder if we're over-thinking this bike riding thing sometimes? |
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nickrose
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| Posted: Sun Jul 18, 2010 8:49 am |
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| Seen bumming tubes on The GreenwayJoined: Wed Aug 29, 2007 11:19 pmPosts: 28
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Awesome -- thanks for all the help. Here goes nuthin.
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eponodyne
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| Posted: Tue Jul 27, 2010 1:07 am |
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 Regularly rides in ShelbyvilleJoined: Tue Aug 12, 2008 11:16 pmPosts: 1223Location: On The Wheel
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nickrose wrote: Sounds like I should be able to get my (rubber gloved) hands on some of this stuff without too much trouble. Has anyone out there used this stuff? Is it as miraculous (removes rust while leaving decals and paint intact) as my wishful thinking leads me to believe? Rubber gloves are NOT optional with this stuff. I scrubbed the deck of a boat with this to bleach the teak to a uniform shade before oiling it, and I didn't use gloves. It didn't feel like anything but water at the time I was using it. But that night, the beds of my nails started to throb and a couple hours after that, it quite literally felt like I had my fingertips in hot oil. There is nothing the doctors can do for this, and the pain lasts for about a week. Then your fingernails slough off. And that hurts too. GLOVES! NOT OPTIONAL!!
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You make Baby Jesus want to drink gin out of the cat bowl |
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Beau
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| Posted: Fri Jul 08, 2011 8:45 pm |
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| Banana Seat AficianadoJoined: Sat Mar 03, 2007 5:07 pmPosts: 1849
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Um. Don't use acid. Use vinegar. You can buy 5 gallons for dirt cheap. Fill a kiddy pool and wait a few days. It's less toxic, and can be used over and over to remove rust. It's also slower, so you won't damage anything. It will remove all the rust that is under paint if exposed though. Should damage decals. Before:  After- 
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Jerbear
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| Posted: Mon Jul 11, 2011 4:17 am |
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 King of the MountainJoined: Fri May 04, 2007 6:30 amPosts: 1833Location: Lyndale 'hood
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Beau wrote: Um. Don't use acid.
Use vinegar. The main component of vinegar is acetic acid.
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…I am consumed by a feeling of inexplicable terror and I wake up reaching frantically for the Park TM-1 I keep on my nightstand. |
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Beau
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| Posted: Mon Jul 11, 2011 10:35 am |
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| Banana Seat AficianadoJoined: Sat Mar 03, 2007 5:07 pmPosts: 1849
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Yes, but you can drink it if you want to. A lot of old sign collectors and license plate collectors use this method to restore. Seriously, you will be amazed.
The main problem with doing this either way, is flushing all of the "acid" out of the inside of the tubes. Once it has done it's job and you clean it off, it will flash rust in seconds. Meaning you also have to coat the inside of the tubes with Frame Saver or oil.
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gross
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| Posted: Thu Jul 14, 2011 8:20 am |
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 Spoke TwiddlerJoined: Tue Nov 30, 2010 9:25 pmPosts: 193Location: Mac/Grov
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Beau wrote: Um. Don't use acid.
Use vinegar. Lulz. Vinegar = acetic acid.
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