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File:DE and yeast.JPG

Description A mixture of diatomaceous earth and yeast. The diatomaceous earth was used to filter yeast and impurities out of beer before canning. Photograph by Ginkgo100 taken at en:Oskar Blues brewery, Lyons, Colorado.
Date 2006-05-30 (original upload date)
Source Originally from en.wikipedia; description page is/was here.
Author Original uploader was Ginkgo100 at en.wikipedia
( Reusing this file)

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