Rust Stain on Concrete Patio

borisswortJuly 10, 2012

My exposed aggregate patio has a rust stain. Does this mean there is a piece of metal in the concrete? If so, how can I get it out of there?

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CaptRandy

oxallic acid, spray on and away goes rust stain

    Bookmark   July 10, 2012 at 7:46PM
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