12-19-2016, 11:45 AM | #15 |
Drives: 13 Camaro Join Date: Oct 2016
Location: Colorado
Posts: 315
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This video is geared toward businesses, but gets the point across. https://youtu.be/fS3e_ljbEwI
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12-19-2016, 12:49 PM | #16 |
Drives: Race Car Join Date: Sep 2009
Location: Seffner, FL
Posts: 6,226
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the chemicals you have already used may have pushed the Stain down into the pores of the concrete.
You need to use a de-greaser and then an Acid Wash |
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