Today we return to the much loved topic of glaze durability on For Flux Sake. Kathy, Matt, and Rose start by talking about the long term durability of Bristol glazes. Then they delve into listener questions about ceramic sealers and substituting for Gerstley Borate in Raku glazes. Do you have questions or need advice on glazes? Drop us a line at ForFluxSakePodcast@gmail.com and you could be featured on an upcoming show.   This week’s episode features the following topics: Glaze durability, Bristol glaze, ceramic sealer, tile sealer, Gerstley Borate, Gillespie Borate Today's episode is brought to you by <a href= "https://cornellstudiosupply.com/">Cornell Studio Supply</a> and the newly translated Spanish version of Ceramic Materials Workshop <a href= "https://ceramicmaterialsworkshop.thinkific.com/collections/4b0dfe"> The Middle Glazes</a>.

Fluxed Up with Steve Lee

Matt and Rose Katz of the Ceramics Materials Workshop and Kathy King of the Ceramics Program at Harvard University discuss listener questions about clay and glaze. This show will have you laughing and learning about the chemistry behind ceramics in no time.