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Well-balanced lagers are what you get when you use German Bock Lager from White Labs! Of course, it is a great yeast for Bocks and Doppelbocks, but is also great for Marzen, Oktoberfest, and suprisingly, Classic American Pilsner beers. Purportedly a strain from the Ayinger Brewery in Germany, it is known to ferment very clean, producing little sulfur during fermentation and very little diacetyl under normal lager fermentation conditions. It is more attenuative than White Labs' Oktoberfest/Marzen yeast, and has a medium-high rate of flocculation. This yeast is well-balanced between a sweet, malty flavor and aroma  and a pleasant hop character. It is a favorite yeast strain of many lager brewers, who sometimes use this as a house lager strain.

Product Features

  • A German lager yeast strain from White Labs.
  • Produces clean lager beers, with little diacetyl or sulfur produced during fermentation.
  • Perfect for bocks and doppelbocks, as well as a range of other lager style beers.


We include complimentary ice packs with ALL liquid yeast orders (if required), but cannot guarantee that the ice packs will stay cold during transit, and thus the yeast can potentially be exposed to hot temperatures. We highly recommend ordering dry yeast during the hot summer months or if you are ordering from a warmer climate. Many times during the winter an ice pack is not needed so we make the determination based on current temperatures and the destination!

Yeast Specifications

Temperature Range: 48 - 55F
Flocculation: Medium
Cell Count: 100 Billion
Attenuation: 70 - 76%
Alcohol Tolerance: 8 - 12%
Typical Styles: American Lager, Bock, Pilsner, Märzen, Münchner Dunkel, Doppelbock, Schwarzbier, München Helles, Vienna Lager

About White Labs Pure Pitch Packaging

PurePitch Packaging utilizes a White Labs patent pending FLEXCELL process, which allows the yeast to be propagated and packaged in the exact same material, which means the yeast is never exposed to the environment! Click here for more info on the PurePitch advantages.

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