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#3128757 - 09/18/13 03:49 PM Getting off hard water spots on windows?
morepwr Offline


Registered: 01/17/12
Posts: 1363
Loc: ventura, ca
I recently bought a truck that had a camper shell on it and when I took it off, the rear window is a mess of hard water spots. I tried all the different window cleaners and some quick detail spray but they are still there. I have never had spots this bad on a window and was hoping somebody might have a good cleaner or polish that would work.

I thought about maybe a paint cleaner type wax might work? The last thing I want to do is scratch it up!

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#3128763 - 09/18/13 03:53 PM Re: Getting off hard water spots on windows? [Re: morepwr]
satinsilver Offline


Registered: 01/24/08
Posts: 2915
Loc: Ohio
This stuff works very well especially with a buffer:

www.duragloss.com , click on glass cleaners. The Nu Glass works very well!

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#3128787 - 09/18/13 04:19 PM Re: Getting off hard water spots on windows? [Re: morepwr]
dparm Offline


Registered: 04/19/10
Posts: 12584
Loc: Chicago, IL
White vinegar solution and/or ammonia solution should cut through it.
_________________________
2011.5 BMW M3 saloon ZCP
der stärkste buchstabe der welt
Castrol Edge Professional TWS 10w60 + Mahle OX 254D3

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#3128841 - 09/18/13 05:12 PM Re: Getting off hard water spots on windows? [Re: morepwr]
nitehawk55 Offline


Registered: 04/01/10
Posts: 1047
Loc: Ontario , Canada
Yes , white vinegar solution , about 5-1 or stronger if really bad . Newspaper works best with vinegar too but paper towel or terry cloth is OK too .
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05 Ford Five Hundred AWD 3.0 DOHC V6 CVT tranny

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#3128930 - 09/18/13 06:48 PM Re: Getting off hard water spots on windows? [Re: morepwr]
Falken Offline


Registered: 07/30/12
Posts: 1717
Loc: Montreal, QC, Canada
A ball of dry newspaper works well.
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Falken - Draftsperson
2010 Honda Fit DX-A in Black
Current Fill: QSUD 5W20 SN, Wix 57356 Oil Filter, ATF DW-1

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#3129126 - 09/18/13 10:35 PM Re: Getting off hard water spots on windows? [Re: morepwr]
The Critic Offline


Registered: 08/30/04
Posts: 17887
Loc: Walnut Creek, CA
This should work great:

http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=3125820#Post3125820

CarPro CeriGlass- it contains Cerium Oxide. I have some coming and will be testing it on my dad's windshield later this month.

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#3129398 - 09/19/13 09:16 AM Re: Getting off hard water spots on windows? [Re: morepwr]
morepwr Offline


Registered: 01/17/12
Posts: 1363
Loc: ventura, ca
Thank you everyone! I did the vinegar and water idea since I had what I needed at home and it took a little scrubbing, but worked great!

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#3129983 - 09/19/13 07:45 PM Re: Getting off hard water spots on windows? [Re: morepwr]
dparm Offline


Registered: 04/19/10
Posts: 12584
Loc: Chicago, IL
Originally Posted By: morepwr
Thank you everyone! I did the vinegar and water idea since I had what I needed at home and it took a little scrubbing, but worked great!



Vinegar is a good multi-purpose cleaner. I have used it straight to cut through some really nasty stuff on windows before.
_________________________
2011.5 BMW M3 saloon ZCP
der stärkste buchstabe der welt
Castrol Edge Professional TWS 10w60 + Mahle OX 254D3

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#3133766 - 09/23/13 07:04 PM Re: Getting off hard water spots on windows? [Re: morepwr]
97prizm Offline


Registered: 05/25/05
Posts: 622
Loc: USA

Hands down Glass Science glass scrub. It gets everything off, and leaves the windshield really clean. Glass Science
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If at first you don't succeed fail fail again. (Waldorf and Statler.)
1997 Geo Prizm
1984 Mazda RX-7 Spec 7

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#3134017 - 09/24/13 01:03 AM Re: Getting off hard water spots on windows? [Re: morepwr]
qwertydude Offline


Registered: 05/15/08
Posts: 629
Loc: Norwalk, CA not CT
One of the best things for removing the most stubborn stains on glass is steel wool, get the extra fine stuff 0000. Combine steel wool and vinegar and you'll get all hard water spots and bonded contaminants off guaranteed.

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