ere are some further results from the cone 6 glaze research I am doing in my electric kiln with the cedar ash and clay from the farm:
< Nepheline Syenite 43 Ash 29 Clay 14 Silica 14 Red Iron Oxide (RIO) painting over glaze
Neph Sy 43
Ash 29
Clay 14
Whiting 14
RIO painting over glaze
Neph Sy 43
Ash 29
Clay 14
FF 3195 14
RIO Painting over Glaze
Neph Sy 49
Ash 32
Clay 16
Gillespie Borate 3
RIO painting over glaze
Neph Sy 50
Ash 17
Clay 33
RIO 5, 7, and 10
Gillespie Borate 16.5
Ash 50.5
EPK 33
Gillespie Borate 16.5
Ash 33
Clay 50.5
RIO Painting under glaze
Gillespie Borate 49
Ash 16
Clay 32
EPK 3
Bubbles and too much flow, thick pool in bottom
Gillespie Borate 20
Ash 29
Clay 8
EPK 3
Custer Feldspar 40
Gillespie Borate 10
Ash 35
EPK 10
Custer Feldspar 40