Are ceramic sealers safe to use on functional ceramics?

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 [email protected] 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 Cornell Studio Supply and the newly translated Spanish version of Ceramic Materials Workshop The Middle Glazes.