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gregdan24 · 06-08-2011, 05:21 PM

Or it could be manganese flakes letting loose from CG piping. Happens in my stick house once in a while and looks like pepper. Manganese is not regulated as a health risk, but can cause odors - and black stuff in the fixtures.

06-08-2011, 05:21 PM	#3
gregdan24 Montana Fan Join Date: Oct 2009 Location: Pine Island Posts: 102 M.O.C. #9822	Or it could be manganese flakes letting loose from CG piping. Happens in my stick house once in a while and looks like pepper. Manganese is not regulated as a health risk, but can cause odors - and black stuff in the fixtures.