ArticleFun With Filtration, When To Harvest, and Transporting WineWritten by Alison Crowe. . . a lot of sediment we find in wines actually forms after the wine is bottled, and is nothing that filtration can control.Already a member? Log InYou'll Also Like Article MEMBERS ONLY The Sulfite Blues, Curing A Stuck Fermentation and Freezing Grapes . . . a lot of sediment we find in wines actually forms after the wine is bottled, and is nothing that filtration can control. Already a member? Log In Article MEMBERS ONLY Gum Arabic, Chilled Reds, and Pinot Noir Advice A reader wonders about the usefulness of gum arabic in their winemaking process. The Wiz also talks about chilled red wines, the ups and downs of Pinot Noir, and increasing mouthfeel in your wines.