Pam B I suppose it depends

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Pam B

Pam B

I suppose it depends on what the plug is made of…. I doubt cork would work LOL.  Just kidding… My larger kiln has a hole with a movable cover on the side so I can vent the kiln when I want.  I usually open it when the major part of the annealing process is done and it is just cooling down.  It is probably just a vent hole not a defect but it will need to be closed during most of the fusing process.


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