Roman diehl Posted July 13, 2019 Report Share Posted July 13, 2019 I would like to know if I made a giant clay vase and fired it, would I be able to immediately use it for holding water? I know this is a beginner question but I just don’t want to use glaze I want to go for more of a primitive technique. I want to use this pot for fermentation. Link to comment Share on other sites More sharing options...
neilestrick Posted July 13, 2019 Report Share Posted July 13, 2019 No primitive firing methods will make it water tight. It must be fired hot enough for the clay to vitrify in order to be water tight, or have a good glaze on it. What is the recommended cone firing for your clay? Link to comment Share on other sites More sharing options...
PeterH Posted July 13, 2019 Report Share Posted July 13, 2019 Background Some reasons why you might want to use clay vessels in winemaking today are given inhttps://www.winemag.com/2018/05/30/aging-wine-in-clay/Clay is the happy medium between the two. Like oak, clay is porous, allowing for an exchange of oxygen. Like steel, clay is a neutral material, so it doesn’t impart additional flavors. I think that Roman wants to get a porosity "similar to that used in terracotta winemaking vessels". Or at least an indication of just how dry/damp/soggy an earthenware body fired to bisc would be when filled with liquid. I seem to remember that the forum has reported earthen pots leaking/seeping sufficiently to damage the surface they are standing on (after the waterproofing glaze has crazed). (Aptly enough it's in the thread vases leaking water!) Regards, Peter Link to comment Share on other sites More sharing options...
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