On the left, cones and beaker from the first test firing.
On the right, cone and mug from this bisque firing, both cone 06. Despite the pyro showing 25 degrees too high on the second one, the cone has only just begun to soften.
This makes it rather a soft bisque, but it will do-just have to make the glaze little thinner!!
I wonder if I can re-use the cones and take it to the right temperature in the next bisque firing?
Worth putting one in by a fresh cone just to see what happens!!