Bridport Hill Pottery Posted November 18, 2021 Report Share Posted November 18, 2021 Hi, all: Experimenting with a glaze that has 65 grams copper carbonate in a 2500 gram recipe. 2.6 %. I believe this is food safe once fired to Cone 10. Can anyone confirm? It is slightly off gloss in finished form. Link to comment Share on other sites More sharing options...
Piedmont Pottery Posted November 18, 2021 Report Share Posted November 18, 2021 You would need to share your recipe to get an opinion on this. I can construct both food-safe and non food-safe glazes with 2.6% copper carbonate. Link to comment Share on other sites More sharing options...
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