Sheryl Leigh Posted August 16, 2018 Report Share Posted August 16, 2018 We’ve been having a really bad run of luck with M. Davis shino. At first we thought it was glaze application, then maybe a bad batch of glaze, now I’m wondering if it’s our firing or if this just is a lousy glaze. The fault we’re running into is tiny bubbles that cause a very rough texture. It’s neither pinholes or craters, here’s a picture: Anyone see this before? Link to comment Share on other sites More sharing options...
SAS Pottery Posted August 16, 2018 Report Share Posted August 16, 2018 Sheryl - I've had that look in using the SF Shino as well - the instructor said it was a factor of thickness of the glaze used as well as how the glaze is applied - stirring the glaze in the usual fashion creates "bubbles" and then as you dip the piece it already forms bubbles and pits as it dries. Slowly,"folding" it as you would batter for cakes works to reduce the "bubbles". Also, I spray on the shino and it works very well for me. Very few "bubbles/pits" as it is able to be applied in a smoother/even fashion. Hope that helps - Scott Link to comment Share on other sites More sharing options...
neilestrick Posted August 17, 2018 Report Share Posted August 17, 2018 I say they're application bubbles. The soluble salts in the glaze make it bubble when you stir it, and because shino are so stiff, the bubbles don't melt out. So stir gently like SAS recommended. Link to comment Share on other sites More sharing options...
Sheryl Leigh Posted August 17, 2018 Author Report Share Posted August 17, 2018 Interesting. Thanks for your response, gentlemen! Link to comment Share on other sites More sharing options...
Sheryl Leigh Posted August 17, 2018 Author Report Share Posted August 17, 2018 Ooops, double post Link to comment Share on other sites More sharing options...
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