anne.halligan-luca@yai.org Posted June 25, 2014 Report Share Posted June 25, 2014 Two of my newly glazed vases are leaving a slight watermark during my waterproof test. Which is leaving them full of water on countertop overnight. My kiln seems to be firing unevenly. If I refire and put them in hottest part of kiln, will they be more likely to vitrify? Thank you Link to comment Share on other sites More sharing options...
Wyndham Posted June 25, 2014 Report Share Posted June 25, 2014 Check the info on your clay. The mfg will post the amt of water absorption at the firing range the clay is designed for.If the clay is 7 to cone 10 and you fire to 6, it won't help. Wyndham Link to comment Share on other sites More sharing options...
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