Ingredient Amount
Gerstley Borate 16.70
Nepheline Syenite 16.70
OM 4 Ball Clay 33.30
Silica 33.30
Add Amount
Bentonite 1.90


Published in "Cone 04 Clay & Glaze" by Mark Pharis, in the Nov 2015 issue of Ceramics Monthly.

The image shown here is Low-Temperature White Slip with JGS Glaze plus 0.5% Chrome Oxide on top of it.
I use this slip over bisque ware and under glazes. I also use it under various terra sigillatas with the addition of 3% lithium carbonate to the wet slip.