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Effects of metallic fumes on kiln
New to fusing, but I have my own kiln, a Skutt Firebox 14. I have so many ideas that involve metals, like art metal clays and silver or gold leaf, but I don't know what the effect of metals in the kiln will be. My first instructor told me not to put metals in the kiln with very few exceptions (and of course, I can't remember what the exceptions are. Brass and copper, I think), because the fumes can pernanently damage the bricks and my glass results would be forever horrible. So what exactly do the fumes do? Has anyone ever used metals in their glass jewelry with good results? And what can I use? I really want to use my gold leaf I just bought. Really, really. Thanks!