<VV> seeking advice - cleaning up old oil-stains on concrete

[Matt Nall]

After having years of oil leakage onto the concrete driveway - I have mostly resealed the primary culprit.  I am looking for suggestions on how to clean up most of the existing oil fouling.
Thanks,
Andy K.
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  Muriatic acid....  swimming pool acid..   pour on   Brush......  15 minutes... flush off...


Matt Nall
Charleston, Oregon
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