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Thank you all for responses !! BTW, what is a "high-alkaline cleaner" ??
--James--
Mix a solution of high-alkaline cleaner and one ounce of chlorine
bleach per gallon of warm water. . Wet the surface of the fireplace
well with the solution, but do not use so much that it runs. Dirty water
running down the face may cause hard-to-remove streaks. Then scrub with
a brush. You know it's working when the suds are black. This always
worked for us but time consuming. We use thick bristle brushes and
scotch guard pads.
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Re: Cleaning of blackened stones on fireplace ?
