CMX Posted February 20, 2023 Report Share Posted February 20, 2023 Hello! I am someone who uses Earthenware in my work, however I have just received an enquiry from a friend who is new to pottery and uses Stoneware. We have already done a successful bisque to 999° and he is now looking to have his glazed work fired. I am comfortable with my own Earthenware brush ons, but he is using this Vitraglaze Layers brush on and I am unsure of the best schedule for firing it. https://www.hot-clay.com/vitraglaze-stoneware-layers-ocean-break.html Other Vitraglaze Stoneware glazes recommend 1240 with a 30 min soak, however the Layers range just states, fired to 1250. I would offer to run a test firing but its putting us both out two days which isn't ideal. Would love some advice as I would like to learn more about stoneware glazes in general and hope someone out there can help! Caitlin Quote Link to comment Share on other sites More sharing options...
Dick White Posted February 20, 2023 Report Share Posted February 20, 2023 Firing to 1240 and holding for 30 minutes is probably going to be same amount of heatwork as going 10 more to 1250 and shutting down. Quote Link to comment Share on other sites More sharing options...
High Bridge Pottery Posted February 20, 2023 Report Share Posted February 20, 2023 A 30 minute soak is quite long so I would think that would be more heat work than 1250 and no hold but they are probably quite similar. I would stick with the 1250c, not that they say if it was at 60c per hour for the last 100c of firing or 150c per hour for the last 100c of firing which also would make a difference. Looking at the running on their picture I would add some 'cookies' under the pots as you haven't tested the glazes before. Rae Reich and Chilly 2 Quote Link to comment Share on other sites More sharing options...
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