ArticleWineMaker Turns 15Written by Michael MadausA look at the numbers from 15 years of WineMaker magazine.Already a member? Log InYou'll Also Like Article FREE Choosing Your First Fermenter Explore the options for your first fermentation vessel. Article MEMBERS ONLY Fining Fruit Wines, Sourcing Grapes, and Cleaning Agents Wine clarifiers, or ‘fining agents’ as they (and a whole host of other wine-finishing additives) are called, are creatures of degrees.