Claystation Admin 0Subscribers View Profile About Discussions Reaction score: 8 Subscribe #7 --:-- 0% 0 Technical1 year ago Calculating a UMF formula from a batch recipe. (Free Online Glaze Class Pt. 2) This is the 2nd video in a short series that tries to help potters understand what is necessary in order to use glaze software succes... 0 comments 478 views