I just post treat with straight SH and a bit of surfactant. If it’s really bad I fire up the 12v. I just don’t see the point in trying to make one system work like another system when I already have both.
I can clean a stucco house in 1/2 the time without having to drag out two systems. My 12v is 5.5. At the gun it’s probably 3gpm.
Now imagine one guy spraying chem 8 gpm, and another guy rinsing 8gpm. It’s worth it. I’ve been using the same 1.8gpm 12v for 4 months, $30.
Down streaming post treatment works, but not always. The point is efficiency. I have it setup with a 3way valve. I only use it when it makes sense, flip if the switch. I do still use the 12v for shingle or tile.
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There’s not a huge amount of stucco in my area and most of it is so dirty that no downstream injector, force-fed or not, would clean it. The newer stuff around here cleans up great with downstreaming straight SH and a little longer dwell time. There’s a ton of brick here and when they get dirty it’s 12v or nothing. I can definitely see the benefit for post treating concrete but I’ve had great results without force feeding and the ones that don’t turn out great I just pump spray or 12v depending on the size.
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So took all of your advice. Went back today with my new my4sons battery sprayer and treated 50/50. Agitated and it came way better. Took the bucket truck so just rinsed with the hose and the scrub mit while rinsing. Got another roof job today (#2) and ordered most of the maverick system from Cody at Powerwash.com I needed to get something right away as the customer needs it done early next week. Got a 7gpm 12v pump, 200’ of the 1/2” orange ag hose, poly ja gun, lance and fittings! Looking forward to using it!
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I just love getting new stuff.
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Holy smokes you went on a shopping spree amigo! Sounds like you got some pretty cool stuff.
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You take any pictures?
Thought it was a hot spot at first but then i seen the second photo. Is it hard or soft? Could be a ulcer or a cyst that his chewed or licked alot. Id put a cone on him if he can reach it and spray some “blue stuff” on it i forget the name of it but if you walk into any equine or farm store and ask for it they will know exact what it is 
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Yes every job it seems I spend all of it on new stuff. Thought I could get out of buying a waterfed pole till last weeks car max job. $800 for that last week $835 today. It’s been going like that for 6 months lol. But I’m almost set with everything now. Just need to order the remote from @SchertzServicesLLC and a drain cover I should be good. That is until something cool I never knew about shows itself lol
Still wet and honestly need to go back again with the new setup next week and a 16 orfice tip to rinse with 1000 psi
@Harold Do you have a link to the 12 volt 30 bucks pumps? Thanks
I’m getting a lot of @‘s all of a sudden even though their two weeks old.
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Same.
Orders are open now!
@Seandz you want to order one?
I will be soon. Waiting on more money had to buy a new washing machine last week. I’ll reach out ASAP. Thank you.
What’d ya get?
… he told you! A washing machine! 
Oh, man. I thought he meant a new pressure washer. Lol
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Ha! I guess you could wash clothes like that !
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