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HI Brad Thanks for the comments. Odd thing is, I've probably done 12 or so firings to 780c in the last two weeks or so, but this is the first time I've had the problem.... I did a firing this morning up to 880c - with the kiln cracked open about half an inch - so I'll have another try at a 'proper' ...

HI Jen Thanks for the reply - and, no, you didn't miss anything <grin> All of the glass involved in these suncatchers is Spectrum Waterglass. My local supplier said, quite a few years ago, "You're fine fusing waterglass to waterglass" - and I must say that he was correct (I've done stress ...

HI Folks Interesting to see this topic - and very timely.... I've recently built a 4ft x 2ft x 1ft tall clamshell / ceramic fibre-insulated kiln - to allow me to make 'big stuff' (TM). It's replacing a Skutt hotstart - which was limited to about 13" square. The new home-built kiln has 7kw of re...