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Hardwater spots on automotive glass

Posted on 7/14/19 at 7:09 pm
Posted by Bayou
CenLA
Member since Feb 2005
36732 posts
Posted on 7/14/19 at 7:09 pm
Looking for suggestions to get rid of them.
Posted by LSUEnvy
Hou via Lake Chas
Member since May 2011
12085 posts
Posted on 7/14/19 at 7:17 pm to
CLR?
Posted by Bayou
CenLA
Member since Feb 2005
36732 posts
Posted on 7/14/19 at 7:19 pm to
Will that damage it???
Posted by gumbo2176
Member since May 2018
14956 posts
Posted on 7/14/19 at 7:21 pm to
I've never had a problem with using Windex and newspaper to remove them after washing a car in the summer. I don't use paper towels since they tend to leave a bit of lint behind.
Posted by Bayou
CenLA
Member since Feb 2005
36732 posts
Posted on 7/14/19 at 7:29 pm to
Need more than Windex
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 7/14/19 at 8:11 pm to
Try to compound them with a RO buffer
Posted by UAH_Tiger2
Pacific Northwest
Member since Mar 2016
391 posts
Posted on 7/14/19 at 8:25 pm to
CRL Bio-Clean Water Stain Remover - 16 oz Bottle LINK

Pick up a bottle of this. You can also use it inside your house as well.
Posted by NyCaLa
Baton Rouge
Member since Apr 2014
1014 posts
Posted on 7/15/19 at 5:41 am to
Yes, Bio-Clean is the right answer.
Posted by Cracker
in a box
Member since Nov 2009
17657 posts
Posted on 7/15/19 at 9:09 am to
Get a white buffing pad for janitorial work cut it up in small sections great scrubbers re wash your car add some vinegar in the water towel dry the windows
Posted by HonoraryCoonass
Member since Jan 2005
18048 posts
Posted on 7/15/19 at 10:16 am to
Mr Clean Magic Erasers is my stock answer. They work on most anything. Amazing product.
Posted by guedeaux
Tardis
Member since Jan 2008
13608 posts
Posted on 7/15/19 at 10:30 am to
Barkeepers friend. This is the best thing we have found for hard water stains on our shower glass.

Posted by jpainter6174
Boss city
Member since Feb 2014
5274 posts
Posted on 7/15/19 at 7:46 pm to
Invisible glass by stoner
Posted by TigerFanatic99
South Bend, Indiana
Member since Jan 2007
27428 posts
Posted on 7/15/19 at 8:11 pm to
You can clay bar the windows
Posted by Cool Hand Luke
Member since Oct 2008
1800 posts
Posted on 7/16/19 at 2:12 am to
000 steel wool and glass cleaner.
Posted by Bayou
CenLA
Member since Feb 2005
36732 posts
Posted on 7/20/19 at 9:23 pm to
CLR was no go but was ok on the fiberglass
Posted by Kubotarip
Louisiana
Member since Jul 2019
40 posts
Posted on 7/20/19 at 9:33 pm to
Im curious about this too. Ive tried a lot.... I wouldn't use steel wool, I used 0000 grit and it still scratched my windows. I have had mild success with Bar Keepers Friend.
Posted by sleepytime
Member since Feb 2014
3564 posts
Posted on 7/21/19 at 2:05 pm to
Auto Magic water spot remover is hands down the fastest and best for auto glass. Wear gloves and have good ventilation because it has hydroflouric acid in it....that’s not something to fool around with.
Posted by Bigbee Hills
Member since Feb 2019
1531 posts
Posted on 7/21/19 at 3:02 pm to
Have you tried a steam cleaner?

I bought the one from harbor freight, and other than a couple of the brush attachments not having the steam "hole" bored out all the way when they were poured (which took 2 seconds to fix with a pocket knife to finish punching them out) the thing has been flawless.

It came with a window squeegee attachment that I have used for removal of hard water stains on glass, and along with a terry cloth towel to wipe up, it has worked flawlessly.

I find uses for that steam cleaner every time I get it out for some other task, and so it's not a "one trick pony" either-especially for auto cleaning.
Posted by ELLSSUU
Member since Jan 2005
7315 posts
Posted on 7/21/19 at 4:46 pm to
Another vote for Bar Keepers Friend. I wash our 5 cars weekly and use it on all windsheilds as a pre-wash.
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