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Battery acid stained concrete

Many years of servicing, and replacing golf cart batteries, has left a very large area of concrete, heavily stained by battery acid. I have tried many different compounds and cleaning solutions, to no avail. Any ideas? Thanks!

Ron Preder
Golf cart repair - Indio, California, U.S.A.
2003

My guess is that the top of the concrete has been eaten by the acid and stray dirt and oil have become embedded in the very rough surface. Try a high pressure water spray, if you can and then paint it with a cement paint or a poly urethane.

James Watts
- Navarre, Florida
2003

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