Ingredients

Ingredient Amount
Nepheline Syenite 10.00
Kaolin 80.00
Silica 10.00
Add Amount
Bentonite 5.00

Instructions

Published in "Soda, Clay and Fire" by Gail Nichols, in the December 2006 issue of Ceramics Monthly.
The choice of kaolin used in this slip largely determines the color of the fired surface. Soda glaze quality is highly reliant on materials used, especially clay.  It is important to become familiar with locally available clays and their responses to soda vapor.  Developing and working with slips is a good place to start with such research.