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Showing results for tags 'copper raku glaze'.
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The results for raku firing always very, and I've heard that humidity effects results. During my last 2 firings I noted the humidity % and noticed a difference with the copper glaze results. At 80% humidity my pieces were an iridescent green with a little copper color. At 50% humidity they were copper with a few other iridescent colors. Has anyone else noticed this specific anomaly?