Now you need what's called an "etchant," which is a sort of acid. You can buy this in a retail hardware keep and dispense it from a plastic watering can or very similar container.June 8, 2015 Q. I need to remove the sealer and perhaps stain from my stamped concrete patio. I've been explained to that by using "Soda Blasting" that this would remove a
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There's two vital contributors to “blushingâ€, or whitening of a solvent based concrete sealer. The first is software to a concrete surface that is damp, or to fresh concrete that still is made up of bleed water.Without the protecting layer, intact humidity can seep into the pores of the concrete and weaken it from within.August 8, 2010