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Pottery/Fired Glazed Pots Not Holding Shape


QUESTION: Hi you helped us before and I'm hoping you can again!
We recently had to replace our thermo cupple...the last two glaze firing's some of our bowls/cups are losing their shape...what is causing this and how can we fix it
Thank you

ANSWER: Dear Kristi,

    Thank you for your recent question. I am glad you returned to AllExperts for additional assistance.

    Bowls and cups can loose shape during a glaze firing when the firing is performed too quickly or the kiln is heating faster than normal. Try slowing your firing down in the first 1000 degrees by raising the kiln, or other words, ramp the temperature at 200 degrees F per every 2 hours until the kiln reaches 1000 degrees, then fire normally. This should correct the problem.

    I hope this helps you. If you have further questions, or this solution does not solve your problem, please feel free to contact me again. I am always at your service. My apologies for the timeliness in the answer. I was away on a family emergency.

Ms. Ti Phillips
Earth Stoke 'N Fire Pottery Studio and Artist Retreat

---------- FOLLOW-UP ----------

QUESTION: Dont have a question just getting back we did a firing a few weeks ago..i emailed then things looked better
Thank you for your help! We use setters under our glaze stuff so we are being more carefull with the flatness of them too   thank you again

Dear Kristi,

Thank you for your recent comment. It is good to know that you ware is turning out better. If I can be of further service to you, please contact me at any time. Good luck to you and happy holidays.

Ms. Ti Phillips
Earth Stoke 'N Fire Pottery Studio and Artist Retreat


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Ti Phillips


Will answer any questions on hand building, wheel, glaze, firing. Speciality questions to include those in glaze calculation and development, firing techniques. Please do not send questions on identifying pottery. Although I would love to add this to my question topics, I have a retreat to run as well as the studio and volunteering on AllExperts, and therefore do not have the available time to research indentification and marks. Thank you for understanding.


Experience includes 30 years in pottery design and education. Have taught online and studio classes worldwide for the last 20 years. Own a pottery retreat specializing in firing techniques. Have 12 years solid experience in glaze calculation and formulation as well as problem solving in glaze chemistry. I am the first potter in the United States to have developed a complete package of pottery equipment blueprints for a studio. The blueprints include wheels, kilns, studio furniture, wedgeboards, raku kilns, slab rollers, ball mills and studio tools.

Alliance of Pottery Artists Worldwide Association

Ceramic Industry - PPP Wyndstryder Press - Pottery Journal

University of Sciences and Art's of Oklahoma, studied under Professor Jaymes Dudding.

Awards and Honors
Potter of the year with APAWA, various awards for showmanship and design.

Past/Present Clients
Available upon request.

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