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Wyeast 5151 Brettanomyces Claussenii


SKU# Y5151

Flat Rate Shipping only $7.99 only from Northern Brewer
Notes of tropical fruit, pineapple and, to a lesser extent, peach and blueberry round out a classic Brett profile. Produces “horse blanket,” leathery, and smoky character, but at lower level than other Brett strains.

Can be used as the primary strain for fermenting, but is often used after a primary fermentation with an S. cerevisiae strain, and in blends to produce sour beers. It is highly attenuative, given proper time to fully ferment out, and is known to create a pellicle during fermentation. Alcohol tolerance up to 12% 

We strongly recommend ordering dry yeast in the summer months or if ordering from warmer climates. We do include complimentary Cold Ice Packs with all liquid yeasts. However, it is difficult to guarantee that the ice packs will survive the trip, given transit times and particularly hot temperatures.


Availability: In stock

Wyeast 5151 Brettanomyces Claussenii (Beer Yeast)

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  • Wyeast 5151 Brettanomyces Claussenii (Beer Yeast)
Product Details
Isolated from English stock ale, this wild yeast produces a mild “Brett” character with overtones of tropical fruit and pineapple. B. clausenii can be used as a primary strain; however it is typically inoculated in conjunction with other yeasts and lactic acid bacteria. A pellicle may develop in bottles or casks during conditioning.
Additional Information
Permanent Stock MessageNo
Temporary Stock MessageNo
Yeast FormatLiquid
Yeast TypeSour Ale & Bacteria
Yeast Origin/InfluenceBritish Isles
Min Fermenting Temp65
Max Fermenting Temp85
Min Attenuation %80
Max Attenuation %80
Regional StyleNo
Beer StyleSour Beers, Stout/Porter, Trappist/Belgian Ale
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