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#4805053 - 07/04/18 01:56 PM Water spots removal?
Quattro Pete Offline


Registered: 10/30/02
Posts: 35963
Loc: Great Lakes
What's an effective and not too labor intensive way to get rid of water spots?

Am I going to strip sealant wax in the process?
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#4805062 - 07/04/18 02:05 PM Re: Water spots removal? [Re: Quattro Pete]
PimTac Offline


Registered: 03/04/17
Posts: 4610
Loc: Soviet State of Washington
This is a excellent product.

https://www.autopia-carcare.com/optimum-mdr-8oz.html

There are similar products from other companies as well
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#4805100 - 07/04/18 02:41 PM Re: Water spots removal? [Re: Quattro Pete]
Quattro Pete Offline


Registered: 10/30/02
Posts: 35963
Loc: Great Lakes
Thanks.

Would a solution of white vinegar and distilled water work as well?
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#4805104 - 07/04/18 02:45 PM Re: Water spots removal? [Re: Quattro Pete]
sleddriver Offline


Registered: 02/06/10
Posts: 4709
Loc: Central Texas
Not sure if it would work-as-well as I'm not at all familiar with the other product. I would try straight white vinegar first.
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#4805106 - 07/04/18 02:48 PM Re: Water spots removal? [Re: Quattro Pete]
PimTac Offline


Registered: 03/04/17
Posts: 4610
Loc: Soviet State of Washington
It would but the effect on your wax or sealant may not be what you want.
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#4805153 - 07/04/18 03:39 PM Re: Water spots removal? [Re: Quattro Pete]
Artem Offline


Registered: 10/30/10
Posts: 5131
Loc: Florida
I mean... if you're got water spots on the paint, clearly your wax / sealant ain't doing jack.

I never have problems with water spots and it pours DAILY in Florida. I use Meguiar's sealant and add a spray wax on top every month or so after 3-5 washes. Relentless water beading and protection.

I suggest you polish the paint and reapply protection. Can't image you going thru the whole car tackling one wash droplet at a time. Haha.
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#4805161 - 07/04/18 03:46 PM Re: Water spots removal? [Re: Artem]
Quattro Pete Offline


Registered: 10/30/02
Posts: 35963
Loc: Great Lakes
Originally Posted By: Artem
I mean... if you're got water spots on the paint, clearly your wax / sealant ain't doing jack.

I never have problems with water spots and it pours DAILY in Florida.

These are water spots from a sprinkler, not from rain.

I just applied soft99 Fusso Coat a little over a week ago. I was able to get rid of most of the spots just by buffing with a clean MF towel - they are gone for the most part but not completely.
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#4805162 - 07/04/18 03:48 PM Re: Water spots removal? [Re: Quattro Pete]
danez_yoda Offline


Registered: 07/18/09
Posts: 495
Loc: texas
You need to look a the water spot under a magifier glass at a low angle. You need to see if it was a calcium deposit on top of the paint of acid rain pits in the paint.

If its pits. nothing you can do but buff the paint down do the bottom of the pits. A trick I used on a darler colored car was to use Meguiars 7 show car glaze to fill the pits followed by a wax/sealant.

This would seal the M7 in the pits to make them less apearant.

Now I use Meguiars ultimate polish and my Random orbit DA and go at a section to see if reasonable polishing will get down to the bottom of the water mark pit.


If it is calcuim deposits on the paint, you need a solvent (like diluted vinegar) to liquefy them and allow removal. You will need to reapply the wax again after removing the water spots.

Wouldn't hurt to clay bar before the vinegar treatments as well . Might as well start with a clean finish before sealing.

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#4805186 - 07/04/18 04:18 PM Re: Water spots removal? [Re: Quattro Pete]
JC1 Offline


Registered: 11/29/08
Posts: 3060
Loc: Oshawa, Ontario Canada
Originally Posted By: Quattro Pete
What's an effective and not too labor intensive way to get rid of water spots?

Am I going to strip sealant wax in the process?



Somebody posted this a while ago and I bookmarked it.

https://meguiarsonline.com/forums/showthread.php?4891-How-To-Remove-Water-Spots
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#4805252 - 07/04/18 06:35 PM Re: Water spots removal? [Re: Quattro Pete]
The Critic Offline


Registered: 08/30/04
Posts: 19881
Loc: CA
An acid based wheel cleaner is probably your quickest option.
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#4805312 - 07/04/18 08:35 PM Re: Water spots removal? [Re: Quattro Pete]
boom10ful Offline


Registered: 01/17/17
Posts: 132
Loc: California
Barkeeper's friend removes hard water spots from glass. I tried everything on my car windows until I heard of the stuff.

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#4805365 - 07/04/18 10:51 PM Re: Water spots removal? [Re: The Critic]
Nick1994 Offline


Registered: 02/19/13
Posts: 10285
Loc: Phoenix, AZ
Originally Posted By: The Critic
An acid based wheel cleaner is probably your quickest option.
My Sonata has hard water spots all over it, has for a long time.

Would I basically spray the whole car and wipe and rinse off with wheel cleaner?
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#4805385 - 07/04/18 11:41 PM Re: Water spots removal? [Re: Nick1994]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4315
Loc: North Carolina
Originally Posted By: Nick1994
Originally Posted By: The Critic
An acid based wheel cleaner is probably your quickest option.

My Sonata has hard water spots all over it, has for a long time.

Would I basically spray the whole car and wipe and rinse off with wheel cleaner?

Jesus no. That bottle of wheel cleaner will tell you not to get too on paint.

If it dries while you're trying to get the spots off you'll have bigger issues.

Use a clay bar or a cleaner wax. If the spots don't come off you need an abrasive.
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#4805391 - 07/04/18 11:48 PM Re: Water spots removal? [Re: Quattro Pete]
The Critic Offline


Registered: 08/30/04
Posts: 19881
Loc: CA
Of course they say that because the instructions are written for users of all skill levels.

Most water spot removers are acid based.

Wheel acid works fine but you have to treat very small areas at a time, do not allow it to dry, and avoid glass/trim.
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#4805392 - 07/04/18 11:56 PM Re: Water spots removal? [Re: Quattro Pete]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4315
Loc: North Carolina
Sounds like a pain - a clay mitt will do it in half the time with no risk of acid or alkaline damage to your paint.
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