GigaYeast Kolsch Bier Yeast


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Beer Brewing Classes



From one of the oldest Kolsch breweries in Koln. Fermenting under 65°F produces a very clean, crisp beer with a touch of ester. Perfect for Klsch or any style where a dry, clean profile is desired. GY021 produces a moderate amount of sulfide that will dissipate completely.

Recommended Styles:

Kolsch Pale Ale

Alt India Pale Ale

Cream Ale Amber


* Medium Gravity is 14° 16°Plato. High Gravity is 23°- 25°Plato.

Attenuation Medium Gravity* 79% 83%

Attenuation High Gravity* 76% 79% (9.6% 10.1% ABV)

Temperature Range: 60°F 72°F

Flocculation: Med/High

* 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° 70°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).

Additional Info

Additional Info

Yeast Brand GigaYeast
Alcohol Tolerance No
Flocculation No
Attenuation No
Super Saver Shipping Yes
Free Shipping Yes


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