GY094 German Ale GigaYeast


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GY094 German Ale GigaYeast is an Ale yeast strain from a traditional Dusseldorf brewery famous for malty, balanced alt-style brews. This yeast creates a lush, malt forward beer with subtle esters of honey, pear and apple. Perfect for Sticke, Doppelsticke and Altbiers but also makes a great choice for any malt forward beer with generous mouthfeel.

Attenuation Medium Gravity*    75% – 77%
Attenuation High Gravity*          64% – 68%
Temperature Range†                   18˚ – 22˚C (64˚F – 72˚F)
Flocculation                                  Medium

Representative Styles: 

  • Altbier
  • Sticke
  • Doppelsticke
  • Malt forward beer styles

* Attenuation was measured after 8 days with Ale yeast at 20˚C / 70˚F and Lager yeast at 10˚C / 50˚F. Medium Gravity is 14˚ – 16˚Plato. High Gravity is 23˚- 25˚Plato.

† The working temperature range represents the range at which fermentation for a given strain produces a typical attenuation- not necessarily the ideal temperature for your particular beer style. As a rule of thumb, start ale yeast fermentation at 20˚ – 22˚C  (68˚–72˚F) and then lower or raise temp as desired. Lager Yeast are typically fermented at 7˚ – 14˚C (45˚–58˚F). If desired, Lager Yeast can be given a “hot start” at 18˚ – 20˚C (65-68˚F) and then lowered to the primary temperature after active fermentation begins (10-20 hrs).

GigaYeast laboratory is still gathering data on many of their strains. Information provided here may change some in the future. Please contact us at if you need more info. on a particular strain.