GY011 British Ale #1 GigaYeast

$14.95 Incl. GST

GigaYeast British Ale #1 GY011 is a versatile house strain from a traditional UK Brewery. Strong attenuation, low esters and excellent flocculates like a brick for clear beer.

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GigaYeast British Ale #1 GY011 is a versatile house strain from a traditional UK brewery.  Strong attenuation over a broad temperature range and low esters make this yeast perfect for a wide variety of styles.  GigaYeast GY011 British Ale #1 is a strong flocculator that creates a clear beer.

Attenuation Medium Gravity*

  • 75% – 79%

Attenuation High Gravity*

  • 73% – 75% (9.0% – 9.4% ABV)

Temperature Range:

  • 18˚C – 25˚C  (64˚F – 77˚F)


  • High

Representative Styles:

  • Amber Ale
  • Barley Wine
  • British Ales
  • English Bitter
  • India Pale Ale
  • Pale Ale
  • Scotch 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. 


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Additional information

Weight 0.22 kg
Dimensions 25 x 18 x 2 cm


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