Ingredient Amount
Whiting 18.95
Minspar 200 Feldspar 50.53
EPK Kaolin 5.26
Silica 25.26
Add Amount
Zinc Oxide 5.26
Copper Carbonate 0.53
Black Iron Oxide 4.21
Mason Stain 6302 Cadet Blue 2.11


P-Base is my liner glaze. I always sieve the glaze, mix it thoroughly, and apply it thin (about the consistency of 1% milk). I fire to cone 8 in oxidation; however, this glaze can be fired from cone 6–8.

This glaze was shared by Doug Peltzman in the December 2019 issue of Ceramics Monthly.