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Leuven yeast illustration

BSY-A062

Leuven

Belgian (S. cerevisiae)

Made to Order Allow 1-2 weeks

Leuven is a fascinating Belgian strain originally sold as Brettanomyces but reclassified as Saccharomyces cerevisiae. It produces intense tropical aromas of mango, pineapple, and stone fruit with a subtly tart finish, making it outstanding for American pale ales and hazy IPAs where big fruit character is desired. Extremely high attenuation (85%+) creates a very dry, thin-bodied beer, so consider mashing higher or adding unfermentable sugars for body. Very low flocculation maintains persistent haze. Ferment warm (21-27C) for maximum tropical ester production.

Similar to

WLP644 "Trois" (reclassified S. cerevisiae)

STA1 Positive (Diastatic)

Risk of super-attenuation and package refermentation. Requires dedicated equipment or specific handling protocols. Contact us for guidance.

Specifications

Parameter Value
Attenuation 85%+
Flocculation Low
Temperature range 21-27°C
Alcohol tolerance 12%
STA1 status Positive (diastatic)
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Beer Styles

Hazy IPA trending NEIPA trending American IPA American Pale Ale Blonde Ale Double IPA XPA Wild Specialty Beer Fruit Beer Saison

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