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Need Some Help For A One Time Project

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#1 doctorxring



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Posted 11 December 2010 - 12:52 PM

Hi folks --

I would like to trouble you for a little information, if I could.

I have no experience at all in this area but want to do a one
time project. I bought a ceramic crock recently to make
sauerkraut in. It's great, but there is one thing about it
I'm not that happy about. This type of crock uses two
"weighting stones" of stone ware type material to hold the
sauerkraut down inside of the crock. They are not
glazed, just natural. I would like to glaze these pieces.

My sister has a kiln that she slumps glass in that I could
fire these pieces in.

Could you give me a simple method and glaze recommendation
for this project ?

thanks kindly, Chris

This is the crock system I'm talking about --

Posted Image

#2 Marcia Selsor

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Posted 11 December 2010 - 01:09 PM

Personally, in my opinion you should not glaze these because...unless the glaze is really stable and fired correctly, sitting in a high acid liquid while the sauerkraut cures, the glaze will leach chemicals. Better to leave it as is.

Marcia Selsor

Professor Emerita Montana State University-Billings

#3 doctorxring



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Posted 11 December 2010 - 05:12 PM

Hi Marcia

Thank you for this comment. I did not realize the glazing was that
critical of a process. I don't want a health hazard, that's for sure.
I just wish they would have glazed these stones just like they
glazed the whole crock. Makes it for easier clean up. I was hoping
I could fire them.

thanks kindly, Chris

#4 Deb Evans

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Posted 12 December 2010 - 01:16 PM

If you don't want to clean them, vacum bag them. the plastic should hold up to the curing process.
if you've seen old crocks - the glaze has deterioration.
I agree w/ Marcia - don't glaze the weights

#5 sylvia (UK)

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Posted 06 January 2011 - 03:27 AM

The pot looks as if it's salt-glazed - which makes sense since for an application like this you really don't want any dodgy chemicals in a glaze. You might find a local salt-glazer and ask him/her to put your weighting stone into their next firing?

Another possibility is to clean the existing one by sticking it in the kiln and burning off any stubborn bits! Glass-slumping temperatures should be high enough to do that.

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