Red clay does not rinse off
A hose smears it. The orange line at the bottom of the brick is the same problem in a different place.

West Georgia clay is fine, iron-rich, and happy to bond to concrete. Tire tracks on a light driveway in LaGrange or Sharpsburg are not a film you can rinse on Saturday. They are in the paste of the slab until something actually breaks that bond.
The same splash paints the lower course of brick after a hard rain off a bare yard. People wash the house and wonder why the foundation still looks rusty-orange. Different stain, different cleaner. Pressure alone polishes it.
Once it is off, it comes back if trucks keep cutting across mud. A sealer helps a clean slab refuse the next rain. Gravel on the muddy path helps more than any promise we could make. We will clean it. We will also tell you why it returned if the yard is still a pit.
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Soft wash or pressure: which one the house actually needs →