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Heavy water marks on glass can't remove

Discussion in 'General Discussion' started by John Revill, Jul 6, 2018.

  1. John Revill

    John Revill Member

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    Hi All,
    I'm after some advise and people past experiences with water spots on glass. I have bad water spots on all the windows and sunroof and have tried a couple of products and nothing is working.
    I have had 3 attempts with invisible glass water spot remover. and was recommended to me to try meguiars ultimate compound. Neither worked. They didn't even reduce the spots. Does anyone else have any experience with this type of problem.

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  2. Lex

    Lex Active Member

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    Is that in the tint or glass?
    I thought on my rear window l had a problem with the glass on the outside. Turned out to be the tint on the inside.
     
  3. John Revill

    John Revill Member

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    It's on all windows including the front which is not tinted. It definitely appears to be on the outside. I have been told it might be from acid rain and may never come off. I'm open to ideas.
     
  4. dgp

    dgp Well-Known Member

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    Poor quality water, with lots of minerals in it will etch your glass if you let it dry on the glass.
    You can try machine polishing the glass, but that looks pretty bad and may not be repairable.
     
  5. John Revill

    John Revill Member

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    This is how it was when I purchased the car second hand. I use a 2 part T42 + MB-115 Resin Water Filters and it works great. I also use a hot air dryer to dry the cars without contact and produces great results. I have not introduce any new marks since I purchased in a few months ago, but I just can't get rid of them. A local car detailer is going to try machine polish them out. He said it's not calcification or bonded minerals and thinks it's not from tap water, but acid rain.
     
  6. Dayvo

    Dayvo Because i can

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  7. lmoengnr

    lmoengnr Well-Known Member

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    I've used this on stubborn watermarks with a DA Buffer, it did work, but I had to use a lot of it.
     
  8. Voodoo_SV6

    Voodoo_SV6 Active Member

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    Gumption on a sponge and blended with water till it's the consistency of toothpaste, lots of elbow grease. Failing that, machine refinish with a semi abrasive compound.
     
  9. Smashfist

    Smashfist Active Member

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    Dishwashing liquid and fine steel wool will do it.
     
  10. someguy360

    someguy360 Well-Known Member

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    I've found vinegar can lift it.
     
  11. alba81

    alba81 New Member

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    Try cleaning with a clay bar
     

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