Ingredient Amount
Gerstley Borate 9.10
Whiting 21.50
Minspar 200 Feldspar 14.60
EPK Kaolin 29.50
Silica (200 Mesh) 25.30
Add Amount
Epsom Salt 0.25


I mix Boris Satin Clear glaze to a specific gravity of 1.35 and apply it to bisque-fired surfaces by dipping or spraying. It works well layered over black slip. The exteriors of the pots shown here are glazed in Boris Satin Clear.

This recipe was shared by Rita Vali in the January 2021 issue of Ceramics Monthly.