7500 sq/ft of concrete, took 6 hours. I barely had enough supply hose, plus 200’ going the other way. I had to pre and post treat under the trees with all the lichens.
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I’m guessing this was for the client you recently talked about. Did you end up rinsing the post treatment off?
Looks really nice!
I could have done that in 3 hrs for twice as much $$ 
. Just kidding
No, the lichens were still simmering when I left so I told them if they are still present in a couple weeks I’d nuke them again. I don’t think they are sealing.
I’m seriously debating if I should get a larger surface cleaner just for driveways, not sure how well something like a 28" would do with my cold water machine.
Makes sense, was wondering what the client was going to do.
Depends how many large concrete areas you clean. I think @Racer had some videos comparing surface cleaner size and speed but not sure
I have a 24” whisper Wash Ground Force I use on bigger drives. Love it…
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