GigaYeast
GY005 Golden Gate Lager GigaYeast

GY005 Golden Gate Lager GigaYeast

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GY005 Golden Gate GigaYeast is a versatile Lager yeast used to create the California Common style. GY005 ferments warm and still retains a lager character. GY005 ferments unusually high for a lager strain and still retains a lager sensibility (up to 20˚C (68˚F)). GY005 GigaYeast leaves a slightly sweeter beer than our other lager yeast— perfect for creating a subtle, malty undertone against a clean lager background. Golden Gate Lager GigaYeast GY005 creates a moderate amount of sulfide under some conditions that will dissipate with a short rest. Fermentations at traditional lager temperatures may be slow. Recommended fermentation temperature 13˚- 20˚C (55˚- 68˚F).

Attenuation Medium Gravity*

  • 79% – 83%

Attenuation High Gravity*

  • 57% – 60% (7.5% – 8.1% ABV)

Temperature Range:

  • 13˚C - 21˚C (55˚F – 70˚F)

Flocculation:

  • Medium

Representative Styles:

  • California Common
  • Cream Ale
  • Stout
* 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 68˚ – 72˚F and then lower or raise temp as desired. Lager Yeast are typically fermented at 45˚ – 58˚F. If desired, Lager Yeast can be given a “hot start” at 65-68˚F and then lowered to the primary temperature after active fermentation begins (10-20hrs). GigaYeast laboratory is still gathering data on many of our strains. Information provided here may change some in the future. Please do not hesitate to get in touch if you need more info.