09/21/2026
Those aren’t just dirty door jambs. Those are heavy mineral deposits. 👀
Regular washing wasn’t touching this buildup, so these jambs received an acid wash to chemically break down and remove the mineral deposits.
Even with a heavy acid treatment, some light marks were still visible afterward.
Why?
Because at that point, we weren’t just dealing with minerals sitting on the surface anymore. Some of the damage had already etched into the surface itself.
Removing the deposit and removing the damage it left behind are two completely different things.
This is why knowing what you’re looking at matters just as much as knowing how to clean it.
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