ArticleSoapy Taste, Wine Pumps, and Testing SulfiteWritten by Alison CroweI suspect you’ve got a fatty acid issue caused by your stuck/sluggish fermentation. S. cerevisiae can emit fatty acids when under fermentive stress . . .Already a member? Log InYou'll Also Like Article MEMBERS ONLY Brett in the Winery, Hangover Myths, and Grapes In Albuquerque Brettanomyces is often an ambient microbe in the air we breathe, but that’s no reason to go inviting concentrated and healthy stocks of it into your cellar. Article MEMBERS ONLY Importing Juice vs. Fresh Grapes, Wild Fermentations, Sediment In The Bottle I prefer to have as much information as I can about where my raw material is coming from, and being able to handle the actual grapes is one way to help you get there.