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Old 28-05-2018, 10:59 AM   #1
Focus4000
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Dusty Rain?

Hi all

washed my car on Saturday and it rained overnight. Now the car is covered in a layer of dust and I've just had to wash it again (not that it's a chore, just annoying). I live in Cambridgeshire and have the problem where dust settles on the car over a few days. I don't live near an industrial estate and have noticed that it has got worse this year. Does anyone else have the problem of dust seemingly coming from nowhere in other parts of the country?

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Old 28-05-2018, 12:03 PM   #2
westerman
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Unfortunately dust can and is picked up in the breeze and is deposited on to your car, wherever you live.

In some situations it is common for sand to be carried all the way from Sahara in Africa and dumped as grit on the cars.

A quick solution to a dusty car is a good QD or something like Optimum No Rinse (ONR). Some coatings are also better at repelling light dust but you're always going to get some.

Harry
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Old 28-05-2018, 12:32 PM   #3
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Same thing happened to me. Washed it Saturday morning. Thunder storm came in over night (beaded lovely during the downpour) and I awoke to an absolutely filthy car.


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Old 28-05-2018, 01:34 PM   #4
fatdazza
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Quote:
Originally Posted by westerman View Post
Unfortunately dust can and is picked up in the breeze and is deposited on to your car, wherever you live.

In some situations it is common for sand to be carried all the way from Sahara in Africa and dumped as grit on the cars.

A quick solution to a dusty car is a good QD or something like Optimum No Rinse (ONR). Some coatings are also better at repelling light dust but you're always going to get some.

Harry
I would never hit a dusty car with qd. That is just rubbing sahara sand into the paint.
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Old 28-05-2018, 02:07 PM   #5
GleemSpray
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Same here in Manchester last night - washed both cars yesterday morning and overnight they have both become covered in sandy dust drying marks.



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Old 28-05-2018, 03:26 PM   #6
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Originally Posted by fatdazza View Post
I would never hit a dusty car with qd. That is just rubbing sahara sand into the paint.
Ye I know It's not the thing to do but it depends. If a car has stood overnight, or if you drive to a show etc then they will always have some dust. The purpose of a QD as I understand it is to be able to safely remove it.
Now I would never put a QD near a dirty car but that's another matter.

Many people just use a QD as a drying aid but I reckon that's not using a QD for what it was intended?
Thing is it's up to the individual to decide if it's safe to use it?

Don't get me wrong, I feel your pain

Harry

Don't know how the " newbie" icon appeared ahead of my post!!

Last edited by westerman; 28-05-2018 at 03:30 PM.
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Old 28-05-2018, 03:55 PM   #7
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Quote:
Originally Posted by westerman View Post
Unfortunately dust can and is picked up in the breeze and is deposited on to your car, wherever you live.

In some situations it is common for sand to be carried all the way from Sahara in Africa and dumped as grit on the cars.

A quick solution to a dusty car is a good QD or something like Optimum No Rinse (ONR). Some coatings are also better at repelling light dust but you're always going to get some.

Harry
I live with the dust problem every day and address the issues caused by being wiped over in the way you describe.
I would always rinse the dust away with a hose/pressure washer and never has a 2 bucket wash been more appropriate than a car covered in dust/pollen (have a look at pictures of pollen under a microscope).

A good ceramic coating works well where I am, certainly just for a quick rinse over with a hose to remove dust and sand.
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Old 28-05-2018, 04:44 PM   #8
Focus4000
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So it's not just me. Lots of us are having to deal with this. I wouldn't use a QD and will continue to wash it with the standard two bucket method.
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Old 28-05-2018, 05:35 PM   #9
Harry_p
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Quote:
Originally Posted by Focus4000 View Post
Hi all

washed my car on Saturday and it rained overnight. Now the car is covered in a layer of dust and I've just had to wash it again (not that it's a chore, just annoying). I live in Cambridgeshire and have the problem where dust settles on the car over a few days. I don't live near an industrial estate and have noticed that it has got worse this year. Does anyone else have the problem of dust seemingly coming from nowhere in other parts of the country?

A lot of the dust is actually pollen from pretty much everything at the moment. We also get noticeably more muck on the cars if the farmer has been doing something on the fields nearby even if you can't actually see any dust being kicked up.

But yes, very fine dust can be carried in the upper atmosphere and come back to earth with rain drops. The rain itself can also make the fine even layer of dust on a car more visible as it clumps around droplets leaving the outline when the water dries.
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Old 28-05-2018, 09:32 PM   #10
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Quote:
Originally Posted by Focus4000 View Post
Hi all

washed my car on Saturday and it rained overnight. Now the car is covered in a layer of dust and I've just had to wash it again (not that it's a chore, just annoying). I live in Cambridgeshire and have the problem where dust settles on the car over a few days. I don't live near an industrial estate and have noticed that it has got worse this year. Does anyone else have the problem of dust seemingly coming from nowhere in other parts of the country?

Ahhh, Cambridgeshire. Wait till they start harvesting, more dust!
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