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Old 07-05-2018, 02:49 AM   #1
BradleyW
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Water as a QD?

After a full wash, I tend to lightly mist each panel with water and wipe off with light to medium pressure using my BOA MF towel. I do this to remove little water marks. I assume this is the same as dragging a MF drying towel over a wet surface, which many people do on their corrected paint. So with that logic in mind, is it safe? It's not like I'm dragging dirt across the panel. I check for that before touching.

Thank you.
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Old 07-05-2018, 06:43 AM   #2
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Personally I’d use a QD or something to add a bit of lubricant and enhance the finish.

I suppose the real question - why not use your cloth to dry the car - I presume from reading your post you let it air dry and then you’re cleaning off water marks...
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Old 07-05-2018, 09:31 PM   #3
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I sheet most of the water off, then clean remaining water marks.
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Old 07-05-2018, 10:54 PM   #4
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Water marks are the result of water containing dissolved solids evaporating on your car. When it does, it leave behind the dissolved solids (often calcium carbonate or limescale as commonly called).

If you dry your car, using a towel, and don't leave droplets of water, you will not get water marks.

You may get watermarks beneath wing mirrors, door handles etc, if water drips from these places after you have dried.

So to avoid water marks, either dry the car and ensure no water is left or use de ionised water (with zero dissolved solids).
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Old 09-05-2018, 07:25 PM   #5
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Thank you very much for the responses.

This is how I dry the car:

1) Sheet off water droplets.
2) Pat dry.
3) Finely mist surface with water.
4) Wipe quickly with medium pressure (remove water marks).
5) Wipe with fresh dry cloth, lightly and very quickly, to knock off any lint fibres.

Could this method be causing fine swirl marks because I'm not using a QD?

In addition, I may rethink my drying method to make things easier in the future (prevent the marks in the first place). Thank you.

Last edited by BradleyW; 09-05-2018 at 07:34 PM.
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Old 09-05-2018, 08:37 PM   #6
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I generally use a 50 / 50 mix of Aqua wax and BSD as a drying aid, I find it much easier to dry the car this way and also adds an extra layer to the car
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Old 09-05-2018, 09:48 PM   #7
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Sheet the water off then use a QD which offers a little more lubricity than just water. If you're only after gloss and slickness, Finishkare or lucas oil slick mist.

If you want something that offers additional protection then wowo's or BSD.

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Old 09-05-2018, 10:12 PM   #8
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Thank you!

As long as you don't think I've damaged the clear coat, I should be OK. I have BSD in the garage, so I'll be using this next time to wipe off any remaining water marks.

I assume BSD won't negatively impact the protection and gloss added by the HydrO2 I have applied?
Can BSD be used as a drying aid if I use the drag dry method with my drying towel?

Last edited by BradleyW; 09-05-2018 at 10:20 PM.
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Old 09-05-2018, 10:30 PM   #9
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I use Megs QD 50/50 mixed with de-ionised water, helps drying and not leave water marks behind. BSD works fine too.

You can also use Koch FSE if there are stubborn water marks you see after, great stuff.
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Old 09-05-2018, 10:35 PM   #10
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Quote:
Originally Posted by BradleyW View Post
Thank you!

As long as you don't think I've damaged the clear coat, I should be OK. I have BSD in the garage, so I'll be using this next time to wipe off any remaining water marks.

I assume BSD won't negatively impact the protection and gloss added by the HydrO2 I have applied?
Can BSD be used as a drying aid if I use the drag dry method with my drying towel?
I sheet most of the water off then pat dry with a drying towel. Usually leaves the panel damp which helps with the application of BSD. 1 spray onto the buffing towel and 1 on the panel, spread, flip and buff to a shine. Repeat 1 panel at a time.

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