Home > blue, Cone 5 & 6 ox, Oxidation > Blue ^6 ox –Ryan Rakhshan

Blue ^6 ox –Ryan Rakhshan

I used the base from this year’s clay workshop handbook for “ketchup red”

^6 oxidation:

Gerstly Borate. . . . . . . . . . . . . . . . . . . . 31
Talc . . . . . . . . . . . . . . . . . . . . . . . . 14
Custer Feldspar. . . . . . . . . . . . . . 20
EPK Kaolin . . . . . . . . . . . . . . . . 5
Silica . . . . . . . . . . . . . . . 30
100 %

Add

CuCO3 1.5%  copper carb
Cobalt Carb 3%
Rutile 1.5%

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  1. Trish McLennan
    December 30, 2011 at 6:42 pm

    What do you add to make it ketchup red. I’ve been looking for the recipe.

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