Quote:
Originally Posted by 81MC
Removing rust stains from concrete?
Long story short, I was a dummy and made a bunch of metal dust and let it sit under a project for a few months. Need to get it taken care of ASAP, and the best rated product doesn't seem available in Canada.
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There’s something about a mixture that includes pouring soda on the concrete that removes oil stains from concrete. Might work for rust. I’ll do some googling if I can find the recipe.