[Clayart] Repairing pin holes and blisters?

[Cyndy Littleton]

Our policy has been no outside clay. Seems I have a couple of people who
feel that our clay is overpriced ($25/25 lbs) since they pay $10/day for
studio use. We do not charge for glaze or firings.  I have been bisque
firing to cone 05 and glaze firing to cone 6. Up until this point if a
glaze is not compatible for the two types of clays we use (B-mix and Ellen
Buff), I do not mix a studio batch. I have 6 very stable glazes and 3 that
can run if applied too thick. These are all well marked.

On Fri, Nov 18, 2016 at 1:55 PM, M Gordon <clayart at earthlink.net> wrote:

> The local ceramics studio here in Walnut Creek has a rule...... by your
> clay here or no firing. Mike Gordon
>
> On Nov 17, 2016, at 11:41 AM, Robert Harris wrote:
>
> Sounds to me like that particular clay body needed a longer/hotter bisque
>> to burn out all of the organic materials.
>>
>> If it was a dark claybody with a lot of impurities then that would
>> corroborate my theory.
>>
>> What do you bisque to?
>>
>> On Thu, Nov 17, 2016 at 6:15 AM, Cyndy Littleton <shorthill at gmail.com>
>> wrote:
>>
>> Hi folks! I know you cannot control things which are out of your hands,
>>> but
>>> I am asking if there is an answer. My open studio folks have taken it
>>> upon
>>> themselves to bring in their own clay and not purchase the studio's clay.
>>> Since I am just the "grunt", I have little say. I received a nasty note
>>> about a "ruined bowl which is now trash material". I looked at the bowl.
>>> The glaze is usually very reliable, but can run if thick. The entire bowl
>>> was covered in large pinholes. Suggestions? It would be nice if this
>>> grunt
>>> could become a "hero" every once in a while.
>>>
>>> Cyndy
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