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cobalt stains on ifb firebrick

updated thu 26 sep 02

 

Steven D. Lee on wed 25 sep 02


I recently got an older kiln working again, after replacing about
every electrical wire in the controller!!! However, there seems to
be a lot of spots of cobalt blue burned into the brick on the
inside. Apart from grinding off a sliver of brick, is there any was
less destructive to remove them?

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Steven D. Lee
SD Pottery - A Texas Country Potter
http://www.sdpottery.com
millenial_age@yahoo.com
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