How does rust get to staying on concrete surfaces. Does it spread/ Why no wash-away. Tell me tell me tell me.?



Answers:
Clean with muriatic acid available from most hardware type stores, even Walmart. Be sure to read the instructions for the dilution rate.

Other answers:
pure acetone and old rag it will come right off.
i know this cause i spilled some on concrete one day
pure acetone and old rag it will come right off.
i know this cause i spilled some on concrete one day
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