I Got Gas

Doing a little research here. For those of you who got gas (for your kiln)... How much do you use for a cone 10 firing? And under what conditions i.e. what size is your tank? kiln size? hard/ soft brick? What PSI do you operate at? Thanks very much!
Have fun at Clay Club y'all

Comments

  1. depends on the materials, most of my softbrick kilns use around 10% out of a 500 gallon tank, which is roughly 40 gallons, the salt kilns use a little less than twice that amount.

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  2. Emily,

    I usually use about 5 - 7% of a 500 gallon tank but the kilns are smaller (10 cu.ft.) . So I figure that is about $50 - $70 per firing. The oxidation firings are cheaper and faster than reduction by a lot though.

    John Britt
    www.johnbrittpottery.com/wks.htm

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  3. Emily,
    I use about 8-10% of a 500/tank. The kiln is about 60 cu.ft. insize using soft brick, I work at 3-5 psi. I do a reduction, heavy at cone 05 with only slight reduction. I will do sseveral more reduction, about 10 minutes each, before cone 1, When I reach cone 8 I try to do a couple more reductions. I like to maintain a slight reduction to neutral atmosphere, so there is a steady climb in temp.
    Ron

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