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Thread: spots on outside of glass

  1. #16
    Join Date
    Sep 2006
    Posts
    1

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    Coming from southern California, could it have got a dusting of fire retardant? I don't what its makeup is, but it is reddish brown in color.

  2. #17
    Join Date
    Oct 2010
    Location
    Hawaii
    Posts
    17,782

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    Quote Originally Posted by MikeP View Post
    I've tried everything I can think of. I found a ton of suggestions with a google search. i have one spot about 4" in diameter clean, 4 hours later. I used Barkeeper's Friend and 0000 steel wool. I am thinking it was more the acid in the product and less the steel wool, but I am unsure. Now that I have something that works, I think I can take care of a side window in about 90 minutes. Good grief.
    Since you didn't mention CLR here, I'll repeat Baubau's suggestion...

    CLR = Calcium, lime, rust... and it'll work pretty good if that's what the haze is.. I don't know what kind of acid is in there, but it's effective.

    "Barkeeper's Friend" is based on Oxalic acid, but there's only a little bit in there.

    If Oxalic acid is effective, then you can get a stronger version at any hardware store. Just look for "Wood Bleach". I never tried it on glass, but it works real good for getting dark streaks out of wood (tannins). Good luck!

  3. #18
    Join Date
    Dec 2005
    Location
    Hiram, Ohio
    Posts
    466

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    Thanks for the replies... Good old hand rubbing and buffing is doing a nice job on the paint. This weekend, for the first time, I was able to pull it out of the garage and into the sun and the panels that I have done look fantastic. The panels that are not done clearly have some sort of coating on them. This is not just neglected paint. And yes, it turns rags / pads red or brownish red. But once it's gone, rags stay clean. I've just never seen anything like this before.
    Still working on the glass, it's going to be a long process.
    Mike

  4. #19
    Join Date
    Nov 2005
    Posts
    8,512

    Default Good...

    Quote Originally Posted by alladd00 View Post
    Coming from southern California, could it have got a dusting of fire retardant? I don't what its makeup is, but it is reddish brown in color.
    You know, that's a good point in this situation as well as good to know for many others.

    Nice catch!

    Henry

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