Has anyone came across a stain similar?

Was asked to complete a house wash, removing these stains. Curious as to what they could be./ what kind of mix to use.

Around here we call that ‘fallout’. If it doesn’t respond to standard housewash, you’ll need to bust out the pole and brush along with…the proper chemical.

You might get lucky, could just be dirt.

I’ve only run into it once, didn’t have much success. The other guys can comment further.

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Was hoping it would be dirt. I do have a brush. Just curious on the chemical if the house wash won’t work

If it’s fallout a degreaser usually works. That looks more like dirt or mildew though so hopefully your regular house wash mix will work.

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I’m not sure what your house wash is but it should work fine

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Sweet. Thank you

Probably gonna downstream a 50/50 mix. I have a
5-1 injector so around 1.25

5:1 injector where did you get that??

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It is a high draw from pressure tek

I think the best the High Draw does is 10:1 but most don’t even get that.

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What is fallout?

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It’s basically garbage in the air from local industrial plants, etc. Builds up over time and pretty tough to get off. West Louisville near the factories sees a lot of it.

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I just did one the other day! Hit the house at about .06% and it came right off!

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Beautiful. Plan on doing the same here next week!

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Dont change your house wash just keep moving most fall out will come off unless they paved the road in front of the house recently then you need some brown stuff

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No luck getting it off, tried scrubbing but didn’t do to much.