Temperature vs Heatwork – Why We Use Witness Cones

Temperature vs Heatwork – Why We Use Witness Cones

I receive a lot of glaze questions and the first question I generally ask in return is “What did the cones look like?” Knowing whether the kiln was over- or under-fired is important for diagnosing many glaze issues. Sometimes I’m told a kiln temperature in response. But…

Why does my kiln fire unevenly?

Why does my kiln fire unevenly?

Why does my kiln fire unevenly? Why does my kiln fire unevenly? Question: “Why do I get different results on my cone pack based on which shelf– top, middle, or bottom– the pack is located?” Our kilns tend to fire unevenly and I’ve also had the same...