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Extreme Fermentation 4347


The Wyeast 4347 Extreme Fermentation is a very good choice for alcohol tolerance and stuck fermentations. It will produce a very clean, dry profile, with low ester formation and other volatile aromatics.

Flocculation: Low

Optimal Temperature Range: 65-80 F

ABV: 21



Great for these Styles:

  • Brandy
  • Cognac/Armagnac
  • Eau de Vie
  • Grappa/Marc/Bagaceira
  • Vodka
  • Rum
  • Scotch
  • Whiskey