Saint Arnold’s Movable Yeast Series

I ran into this article on and I’ve got to say, I’m really excited about Saint Arnold Brewing Company’s latest idea, their Movable Yeast Series.

The concept, as described in the article, is “to focus on the flavor contribution of yeast. Each release will be created by brewing a regular batch of a Saint Arnold beer and then splitting the wort (unfermented beer) into two 60 bbl fermenters. One fermenter will be pitched with the yeast normally used in that beer and the second fermenter will be pitched with an alternative yeast and the beer given a different name.”

Saint Arnold Weedwacker

Saint Arnold’s founder and brewer, Brock Wagner, hopes that restaurants and bars will offer both brews at the same time so that patrons can enjoy vertical tastings, to compare different flavors and aromas attributed solely to the yeasts. Wagner explained that “people spend a lot of time talking about the malt and hops used in beers, but yeast is discussed little and probably understood even less. We thought this would be fun, tasty and educational.”

I couldn’t agree more!

Thus far, I’ve only been lucky enough to enjoy one of the brewery’s wares; Saint Arnold Divine Reserve #9, an incredibly delicious imperial pumpkin stout that positively blew me away. Thanks again to USA Beer Trends for sending that along!

The first beer in the Movable Yeast Series will be Weedwacker, which is a re-yeasted version of Fancy Lawnmower Beer, Saint Arnold’s German-style Kölsch. If you’re in an area that offers Saint Arnold, be sure to keep an eye out for it and let us know what you think!


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