Earthenware Red PlusA low fire red clay with approximately 10% fine mesh silica sand and approximately 5% fine mesh grog that fires to a light red orange color at cone 06 to 05, and a richer, deeper red color when fired hotter, up to about a cone 2. During the summer of 2020, we completed a comprehensive test of our clay bodies. For each clay body, we tested 6 flat bars, which were rolled out on a slabroller. We ALSO tested vertical shrinkage of a thrown cylinder (6