Meridian We recently had a colored concrete (color is in the concrete not a stain on top) patio put in and it hasn’t even made it through the 28 days it takes to cure. I made a big blunder by laying a couple of redwood boards on it while doing a project. Some moisture from the sprinklers must have gotten underneath and now I have redwood stains on my patio. Anyone know the best way to remove the stains without effecting the color of the underlying concrete?

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