03-31-2014, 07:14 AM
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| ♥ Maximo and Teddy
Donating Member
Join Date: Jun 2009 Location: Northern Virginia
Posts: 25,041
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Here is an interesting discussion of what the black stuff is: Black residue on new stainless steel cookware - Cookware Forum - GardenWeb
I have this problem with the bottom of a couple of heavy duty cookie sheets that I have.
__________________ Kristin, Max and Teddy
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