What is the dirtiest car you've used a waterless or rinse less wash on?

[TTQ B4U]

Both of the examples are pretty brave for waterless in my book. I tried to do my black car in about the same shape as pdqgp's black mini-van a few years ago and it didn't go so well. I put the solution down heavy and used lots of towels and still ended up with healthy swirls I needed to polish out in the spring. I think the salt grit is far to abrasive and the waterless solution simply doesn't float that grit enough for one to safely remove it with a MF towel.

Key IMO is to use a 480gsm or higher towel. Fold it to get 16 clean swipes with little to no more pressure that the rag weighs.

Having a good coat of a proven LSP helps too. Dirt bonds far less to a coated surface. The van had been protected with Menzerna Powerlock topped with Colinite 845. That's my wintertime combo. I also use Blackfire crystal seal every other wash too.

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[rbhula90]

Mine would probably be my wife's car that had been thru a Colorado winter! I used the blackfire wet diamond waterless wash and think it came out great! I finished it off by machine applying a blackfire AIO.

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Looks great from the pictures, did you experience any scratching or sections with dirt that was really difficult to clean with your method?

I have a white accord that has old dirty accumulated. I can easily pull of the top layer of dust but there is a layer of dirt around the entire car and the Chemical Guys waterless solution I used does pull it off.

I have a white accord that had a lot of dirt grime on the paint after the dust wiped off. The waterless solution could not clean it, even with heavy elbow grease. The grime stands out on white paint. Did you ever experience this? If so, did your solution clean it off completely?