Alisa and Claus Clausen on fri 22 sep 00
Tested on light grey, mid range stoneware.
Gerstley Borate 46,08 %
Soda Ash 1,96
Red Iron Oxide 9,80
all ingredients measured up to the next highest whole decimal.
Substitued colemanite for G.B.
Does not work.
I know it is almost 50% part of the receipe, but wanted to try it.
Glaze looks underfired, mud brown.
Alisa in Denmark
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