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Global L13


Imperial Yeast's L13 Global is a wildly popular lager strain that produces a classic lager profile. It is a solid strain that will give you a clean, bright and crisp beer with very low ester profiles.

It is extremely powdery so long lagering times and/or filtration will be required for bright beers.

If you need a substitution Imperial L17 Harvest should work, as should White Labs German Lager WLP830

Flocculation: Medium-Low

Attenuation: 73-77%

Optimal Fermentation Temperature: 46 - 56F

Alcohol Tolerance: 10%

It is a fabulous choice for the following styles:

  • German Pils
  • Pre-Prohibition Lager
  • Dortmunder Export
  • Helles
  • Vienna Lager
  • American Amber Lager
  • Schwarzbier
  • Rauchbier
  • Maibock
  • Marzen
  • Doppelbock
  • Eisbock
  • American Lager
  • Czech Pilsner
  • Czech Amber Lager
  • Czech Dark Lager
  • Dunkels
  • Bock
  • Baltic Porter
  • Biere de Garde