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How to remove calcium deposit on glass?

Discussion in 'Detailing' started by pruchai, Sep 9, 2014.

  1. Sep 9, 2014 at 2:53 PM
    #1
    pruchai

    pruchai [OP] KAMA3

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    Not enough...
    I bought a used shell few weeks ago, and it looks like the truck it was on on the shell itself has been sitting for a while and glass has some calcium deposits like on shower doors.

    I've tried couple of glass cleaners from the autoparts store and tried 50/50 water and white vinegar mix. it helped a little bit, but the stains are still there and visible.

    How do i clean that stuff? Is it Ok to gently polish the glass with some kind of smooth compound?
     
  2. Sep 9, 2014 at 2:55 PM
    #2
    T4RFTMFW

    T4RFTMFW Well-Known Member

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    Everybody will tell you not to do what I do, but I use a razor blade. I've never scratched glass or paint.

    That said, my windshield and passenger side cab/hood are covered in calcium deposits from the sprinklers, so I'm game to find out a better/more efficient method too.
     
  3. Sep 9, 2014 at 8:31 PM
    #3
    ace96

    ace96 Well-Known Member

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    Did you try a clay bar?
     
  4. Sep 9, 2014 at 8:33 PM
    #4
    302

    302 I love Taylor Swift :D

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    Edge of an old credit card or hotel room key, works every time.

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  5. Sep 9, 2014 at 8:38 PM
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    302

    302 I love Taylor Swift :D

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    They sell plastic razor blades which would be ideal for your situation.

    http://m.ebay.com/itm/230756221984?nav=SEARCH

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  6. Sep 9, 2014 at 9:44 PM
    #6
    Cjanik

    Cjanik Senior Member

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    Clay bar will work, ive done it before.

    In vegas (we have very hard water), I use Calcium,Lime,Rust (CLR). just be careful to only get it on the non-tinted side and dont let it spill down into the rubber surround. I'm not sure if it would damage anything or not.
     
  7. Sep 16, 2014 at 11:01 PM
    #7
    Sgt Jmack

    Sgt Jmack Well-Known Member

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    You can get hard water spots off easily. It takes a little rubbing compound or clay bar. I like scratch out. Be sure to work in small areas though and you can apply more pressure on the glass than you would the paint.

    Wait a minute, I just re-read the post. Are the windows plastic or glass? If they are plastic, they will come off using the same/similar product that some people use on their head lights to remove the deposites and swirl marks as well as a fine compound.
     
  8. Sep 17, 2014 at 1:44 PM
    #8
    TheWarthog

    TheWarthog Well-Known Member

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    I get the same crap up on my windows up here in Sacramento. Dude at the carwash said they do it with hydro chloric acid. Haven't tried the clr or clay bar... Vinegar/water solution doesn't do crap.
     
  9. Sep 17, 2014 at 7:32 PM
    #9
    Tacoma.Gal

    Tacoma.Gal Let's Go Places

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    We use Bar Keepers Friend (cleanser and polish) it's the powdered form that comes in a container like comet used to. Mix it with some water to create a paste as well as making sure the window is wet, rub it on with a soft cloth, works awesome!! But make sure not to get it on paint or to rinse it off good (it's grainy).
     
  10. Sep 18, 2014 at 10:27 PM
    #10
    Sgt Jmack

    Sgt Jmack Well-Known Member

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    Stay away from HCA. Stay farther away from swirl-O-matics. Hand wash your car.
     
  11. Sep 18, 2014 at 11:30 PM
    #11
    TheWarthog

    TheWarthog Well-Known Member

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    The spots are from the hard water from my hose at home
     
  12. Sep 19, 2014 at 9:17 AM
    #12
    Tacoma.Gal

    Tacoma.Gal Let's Go Places

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    You shouldn't have too much of a problem if you shammy your truck when you're done washing it.
     
  13. Sep 19, 2014 at 9:19 AM
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    Aw9d

    Aw9d That one guy

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    0000 steel wool. It's what I use to clean my windows when I wash my truck. Won't scratch, takes care of all the crap that builds up on the glass.
     
  14. Sep 19, 2014 at 11:00 AM
    #14
    mcdee

    mcdee Well-Known Member

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    Klasse All-In-One works for me, it's non-abrasive but expensive if used for windows only.
     
  15. Sep 19, 2014 at 11:06 AM
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    scottalot

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  16. Sep 19, 2014 at 11:16 AM
    #16
    novanut21

    novanut21 Well-Known Member

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    x2 I have used this and the sealer they sell as well. It is alittle messy because its a white liquid I recommend using it before you wash your truck or be ready to rinse it off your camper shell.
     
  17. Sep 26, 2014 at 5:13 AM
    #17
    EdFlecko

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  18. Sep 26, 2014 at 5:32 AM
    #18
    XXXX

    XXXX Well-Known Member

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    Please stop telling people to use claybars on windows. It's not even close to good info. Glass has peaks, valleys, and holes in it. When you use a claybar the clay fills these imperfections. Clay is not clear. You may not be able to see the difference at first but over time your basically just blocking your glass.

    Keep the paint products on paitn and the glass products on glass - the way they were designed.

    This is even worse than clay. Do you really think taking metal to glass is good? Try it on your glasses and tell me how that works out.

    I have a thread dedicated just for the people who tell people to use this on glass http://www.tacomaworld.com/forum/de...-way-clean-glass-our-members.html#post2034997


    Great stuff!

    The sealer is great!

    I'd start with sparkle and move on to cerium oxide if the spots are physically etched in. Many n00bs can ruin glass if they skip strait to C.O.


    I have a thread dedicated to this exact topic.... http://www.tacomaworld.com/forum/de...s-stains-scratched-glass-etc.html#post5602651
     
  19. Sep 26, 2014 at 6:48 AM
    #19
    ace96

    ace96 Well-Known Member

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    Thats funny cause several detail sites like Autogeek, use clay on glass.

    "Auto Detailing Clay Bar is an engineered resin compound used to remove contaminants from the surface of your car’s paint, glass, fiberglass and metal. Detailing clay can be natural or synthetic, though most manufacturers utilize synthetic clays."
     
  20. Sep 26, 2014 at 9:43 AM
    #20
    XXXX

    XXXX Well-Known Member

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    I'm not going to argue simple facts that anyone can picture and figure out for themselves. There are also a ton of websites that tell you to use steel wool on glass and that you can contact aliens with glass & water http://www.abovetopsecret.com/forum/thread313761/pg1

    Find me one company here that's selling clay for use on glass http://www.glasstec-online.com/ and Ill print out my words and eat them in front of their stand next month.
     
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