The problem with the ASK glass is that Kugler makes no assertion on compatibility other than to say their glass is within X range, and compatibility testing is up to the artist. While I think that is generally true for all glass, the Kugler 104 line had many issues. That is why Arrow Springs got out of the partnership. They had wonderful colors, some of which were not even compatible with themselves batch by batch. I think using it would be a gamble.
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Kathy
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