Touchless carwash

I'd be worried about the pre rinse stuff there spraying. Water would have to be pretty clean and things that use the water would gum up depending on the water

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I would think it would depend on the hardness of the water supply. If the water is really hard, I'd think there would be a filter or a water softener somewhere in the system to keep the mineral deposits from clogging up the spray jets.

Whenever I use a touchless, I keep a pretty low expectation of the results and try not to think about the quality of the water/products. They serve their purpose in winter to keep the salt build up at bay. I don't expect a really clean car.
 
I just used one today. I try to use the ones that are better maintained vs the ones in complete disarray and half working jets.

I usually only use them when it's too cold too wash and I have a lot of salt buildup bc of the snow. Which I had from the latest snow storm. Actually cleaned my car pretty well, more than likely bc of the LSP. I will then follow up later with a rinseless wash.
 
That's because they are using chemicals acid and or alkaline to neutralize the previous step to help try to remove the road film with out the use of mechanical agitation

Hence the reason duragloss 105 and I'm sure others tout against acid and alkaline cleaners.


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When it's 14 degrees out, and your car is caked in salt and muck... You do what you have to do.
It will be fine...

Before I knew anything about what was used in touchless washes, I had an 9 year old Malibu LTZ with 145K miles that I faithfully put through a laser touchless once a week in the New Hampshire winters.
Last time me and a mechanic were under the car (Oct 2016) we were both shocked that everything underneath looked almost new. The mechanic said he loved working on my vehicle because nothing was rusted, nothing was corroded and everything was easy to work on.

That told me right there, despite the harsh soaps, and pre-treatments... they did their job. For the metal and plastics on top of the car, I always make sure I use Pinnacle Black Label Diamond Coating or CarPro CQuartz UK and CQ Dlux. When that air dryer hits the car, the water just flies off. I now do the same thing for my brand new Mustang EB Prem.

The only time a wash like this is an issue is on an older vehicle where rubber door and window seals may be questionable. Or a classic car that is prone to rust. Waterless or rinsless washes are perhaps better for a classic or antique. However, those should't have winter salt/muck etc..

hope this helps!
 
I'm touching my car when it's 14 outside unless I'm down in the garage, I'd be worried about freezing the locks❄

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