It would help if you would post the schedule you used. Also, did you check that the bowl slumped enough at the end of your process soak? You can always lengthen that segment.
You can slump the bowl again. It might just need another firing to acquire enough time at process temperature. The second firing might get it the rest of the way there!
Mary Kay Nitchie
Bullseye Glass Co.
Subscribe to Bullseye kiln-glass videos at