SafLager S-189 Lager Dry Yeast
SafLager S-189 Lager Dry Yeast

SafLager S-189 Lager Dry Yeast

$7.49
SafLager S-189 is a premium Swiss lager yeast from Fermentis that produces exceptionally clean, neutral fermentations with high attenuation and excellent drinkability. Designed for classic lager brewing, this dry yeast delivers crisp flavor, balanced malt character, and dependable performance across a wide range of traditional lager styles.
  • Swiss lager yeast for clean, crisp fermentation
  • High attenuation with high flocculation
  • 11.5 g packet treats approximately 5–8 gallons
Select an option:
Fermentation Temp Range
Each yeast strain has a temperature range where it performs best. Lagers require cooler temps, while Kveik yeasts can ferment in extreme heat. Maintaining the proper fermentation temperature for each yeast strain is crucial its health. Matching a yeast's ideal range to your environment (or your ability to control temp) is key to getting clean, consistent results.
Scale from 30°-120°F

SafLager S-189 produces exceptionally clean, neutral fermentations with minimal ester production, allowing delicate malt character to remain the focus of the finished beer. Originally selected from Switzerland, this strain is designed for brewers seeking highly drinkable lagers with crisp finishes and refined balance.

Its high attenuation produces dry, refreshing beers while high flocculation promotes excellent clarification during fermentation and conditioning. The result is a smooth, clean lager profile suited to a wide range of traditional brewing applications.

SafLager S-189 performs especially well in:

  • European Lager
  • Pale Lager
  • Helles
  • Munich Helles
  • Export Lager
  • Dortmunder Export
  • Traditional Lager

Yeast Format: Dry

Yeast Style: Lager

Species: Saccharomyces pastorianus

Flocculation: High

Attenuation: 80–84%

Total Esters: Low

Fermentation Temperature: 53.6–64.4°F (12–18°C)

Style Applications: Lagers

  • Pitch directly into wort using Fermentis E2U™ technology or rehydrate before pitching.
  • Ferment between 53.6–64.4°F (12–18°C) for clean lager character.
  • Oxygenate wort thoroughly before pitching.
  • Allow adequate lagering time for maximum clarity and smoothness.
  • Healthy pitching rates promote consistent attenuation and crisp finishes.

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SafLager S-189 Lager Dry Yeast
From $7.49

Frequently Asked Questions

SafLager S-189 is a Swiss lager strain selected for producing exceptionally clean, highly drinkable lagers with high attenuation, high flocculation, and very low ester production.

SafLager S-189 is ideal for brewing traditional European lager styles, including Helles, Export Lager, Pale Lager, and other clean, crisp lagers.

Fermentis recommends fermenting SafLager S-189 between 53.6–64.4°F (12–18°C).

Yes. Fermentis' E2U™ (Easy to Use) technology allows SafLager S-189 to be pitched directly into wort without rehydration, although rehydration is also an option.

One 11.5 g packet is designed to ferment approximately 5–8 gallons of wort.

SafLager S-189 is a Saccharomyces pastorianus dry lager yeast developed by Fermentis.


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