[Jewelry making - Article 00044] - Re: [Orchid] Inert environment in the kiln

[Harry Hamill]

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    I've seen kilns retrofitted to provide an inert atmosphere using a
    stainless stock pot, stainless tubing connected to the lid with
    swagelock fittings, fed by a CO2 canister. The lid does not need to
    be airtight as the pot is kept flooded by the continuous slow feed of
    gas. It works quite well. You could use argon or nitrogen, but CO2
    works as well, is slightly safer and is easy to source. Just make
    sure the area around your kiln is WELL ventilated to remove the
    excess gas. 

Harry Hamill
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