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Special London ESB is a yeast with a wide range of applications in the beer making world. Several breweries and brewpubs use this yeast as their house strain, and it's easy to see why. This is one of the most flocculent strains offered by Wyeast, and produced some of the most clear beers without filtration. Less attenuative than other British yeasts, Special London ESB can leave a slight residual sweetness that plays well with the fruity English character inherent in beers produced with it. This makes it ideal for almost any beer style from the British Isles, and is sometimes used in American beers as well, when fruitiness and clarity are desired. Levels of fruit character can be heightened or lessened by fermenting at cooler or warmer temperatures. It is recommended to treat this beer with a diacetyl rest, giving the yeast time to clean up diacetyl that may be produced by the yeast during fermentation. If treated right, this yeast will reward you with delicious, crystal clear beers with lots of rich character.


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: 64-72 F (18-22 C)
Flocculation: Very High
Cell Count: 100 Billion
Attenuation: 67-71%
Alcohol Tolerance: 9% ABV
Typical Styles: English Barleywine, English IPA, Extra Special/Strong Bitter (English Pale Ale), Fruit Beer, Mild, Old Ale, Southern English Brown, Special/Best/Premium Bitter, Spice, Herb, or Vegetable Beer, Standard/Ordinary Bitter, Wood-Aged Beer.

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Clean and Crisp
I received a fresh yeast packet and made a yeast starter for an IPA. It looked and smelled great when the starter was complete. In the fermentation stage It was a fast and clean. I look forward to using this yeast again in the Brain Eater kit recipe and others!
Aug 17, 2015  |  By Jose Terrazas
Great yeast
I use primarily quest for all my brews. No complaints
Dec 5, 2018  |  By Mike Schroeder
Owner Response: Thanks for the review, Mike!