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By the end of the firing, when the kiln is almost to its top temperatures, the last of the pyrometric cones are dropping fast. I start to insert the soda-mixture when cone 8 goes down & cone 9 is soft. When the mixture of soda ash & soda bicarbonate is added into the kiln, the flames go WILD as the mixture burns & the moisture evaporates instantly! Causing crazy-cool flames to come shooting out EVERYWHERE!!! Not for the weak of heart… or those afraid of flames.
I think most potters are pyromaniacs somewhere down deep! HA!!!
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