I was wondering about the cost issue as well. The power shutoff would be a less expensive way to go, but I'm planning to put in a bead door, so it wouldn't work unless I figured out a way to put it on the bead door, which is going to be pretty low-tech.
Alternately, I may just save my $100 an get an AF99 later. Thing is, running my fusing kiln as an annealer is killing me! If I could come up with a quick and temporary solution, at least I could be relieved of the hassle and expense of dealing with a big ol' top-loader until I can afford the annealer I really want.
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