The Fermentis SafLager S-189 strain was first used at the Hürlimann brewery in Switzerland. Its unique attenuation profile makes it suitable for brewing a variety of lager and pilsner beers. This versatile yeast can ferment at temperatures ranging from 9-22°C (48.2-71.6°F), but performs best between 12-15°C (53.6-59°F). It is known for its high flocculation properties.