Type: Yeast • Packet: Liquid
Species: Saccharomyces cerevisiae
This strain is a classic, true top cropping yeast strain from a traditional brewery in Cologne, Germany. Beers will exhibit some of the fruity character of an ale, with a clean lager like profile. It produces low or no detectable levels of diacetyl. This yeast may also be used to produce quick-conditioning pseudo-lager beers and ferments well at cold 55-60 °F (13-16 °C) range. This powdery strain results in yeast that remain in suspension post fermentation. It requires filtration or additional settling time to produce bright beers.
Brewing Properties of Kolsch
The functional properties of brewing yeasts have a direct impact on the performance, quality and economics of the resulting beer.
The alcohol tolerance determines the ABV at which yeast cells go dormant and stop fermenting.
Attenuation refers to the percentage of sugars converted to alcohol and carbon dioxide, as measured by specific gravity.
Flocculation refers to the tendency of yeast to form clumps called "flocs" that drop in order to make the beer clear.
The optimal temperature is the range in which the yeast performs best without putting off any off-flavors. Pitching the yeast into wort usually happens at the low end of the temperature range.
Comparable Beer Yeasts
If you cannot find Kolsch (WY2565) anywhere, you can substitute one of the following yeasts for a similiar result.
Common Beer Styles using Kolsch
These are the most popular beer styles that make use of the Kolsch yeast:
Kolsch, Wheat, Cream Ale, Berliner Weisse, Fruit Beer, Amber Lager
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