Jonas WinSlo Posted August 6, 2012 Report Share Posted August 6, 2012 I'm applying clear matte glaze to portions of white, bisqued earthenware and I can't tell where I've put the glaze because they're the same color. If I color my glaze w/ food coloring, just so I can see where it is as I apply it, will that burn off in the kiln w/out affecting the glaze? Thanks. Link to comment Share on other sites More sharing options...
Guest JBaymore Posted August 7, 2012 Report Share Posted August 7, 2012 Some food colorings have chemistry in them that will remain after firing. Varies by brand. The best (safest) color to use is the red. But test, test, test. best, ................john Link to comment Share on other sites More sharing options...
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