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Showing results for tags 'fungus'.
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Hi, I'm new to ceramics (painting bisque pieces with stain mostly). I'd like to start pouring and firing my own pieces but had a question about caring for ceramic molds. I found a used mold I'd like to buy for slip casting, but it looks like there might be a fungus growing in it (part of the mold is discolored, black). The seller says that the mold hasn't been poured in a long time, so it's unclear whether the discoloration/fungus would transfer to the green ware when poured. Before I throw away good money on a possibly bad mold, I was wondering if anyone knew of a way to clean or remove the discoloration/fungus without damaging the mold? Thanks!
Dears I recently made tea pots based on the old japanese houhin design. Hence it does not need a metal seeve. However, after using them some dark spots appear on the bottom side. Perhaps this is just the color of the tea slowly leaking through. I wonder if it could be an unhealthy fungus. It was fired approx 1250 degrees. For comparision, the inverted teapot on the top right of the photo does not have dark spots. Because it is glazed on the inside as well. Any experience or ideas on that? Thanks. kind regards Zustand