Tenmoku glaze.

Reduction fired to cone 10.

Two beautifully smooth tenmoku glazes, though the one on the right is more fluxed (fluid at a lower temp (possibly better for cone 9) . I've gone with the first one for a cone 10 body and glaze reduction firing.

1. 

whiting 14% 

kaolin 10%

silica 41%

potash feldspar 34%

red iron oxide 8%

2.

whiting 16% 

kaolin 12%

silica 21%

potash feldspar 43%

red iron oxide 8%

Tenmoku is a food safe glaze.