Bottom of a house. Safest and most efficient way to clean?

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Muriatic acid ( doesn’t have to be a strong solution )

Apply with a pump sprayer correct? Mix? 4-1?

I always .( downstream)-it I determine how big is the surface and then I know how much water to mix up in a bucket. I then match it with acid. 3 inches of water, 3 inches of acid. I use my green tip after I have put my hose in the bucket and i’m ready to head to the area I’m going to zap with acid. Having the green tip in prevents me from drawing acid until I need it. When i get to the spot that needs zapping I take out the green tip and put in my black applicator tip. Apply acid to structure or cement. This method is for large .masses of cement . Might be easier to use a bug sprayer for the pic you have posted. But you have to clean the bleach out of your bug sprayer. Pain in the ass !

  • Always pre-soak vegetation really good !

Thanks, going to apply it with a pump sprayer, I feel I have more control of it, and yes it’s not a huge job. Thanks bro

you don’t have to have a strong mixture to clean this foundation. probably 70% water to 30% acid. See how that works

Thanks…will do a test spot

In my opinion 70/30 is still way too strong for a starting point. You might have to end up there but I’d start 20 to 1 (95% water) and work up from there.

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