I’ve made at least 5 teapots. All but one have cracked when boiling water is poured into them. The crack is always in the same spot, right above the foot and cracks pretty much all the way around the bottom. None of the teapots had any cracks after they were bisqued. I’ve used 2 different kinds of clay. The teapots were not all fired in the same firing. I made sure the kiln was completely cooled to room temperature before opening the kiln. If anyone has any ideas I would really appreciate some help. Thank you.
Nancy