Kolsch Ale
Liquid Ale yeast from Escarpment Labs.
Lab
Escarpment Labs· Ale · Liquid
Escarpment Labs· Ale · LiquidSpecs
Attenuation
72–78%
The share of sugars the yeast ferments out. Higher attenuation means a drier, stronger beer.
Optimal temp
18–21°C
64–70°F
The range where this strain ferments cleanly, without throwing off-flavors. Most brewers pitch near the low end.
Flocculation
Medium
How readily the yeast clumps together and drops clear once fermentation winds down.
Genetic traits
Phenolics
POF−
Ferments clean
Phenolically clean (POF-negative). No clove or spice, so malt, esters, and hops come through unmasked. The norm for American and British ales and most lagers.
Diastatic
STA-1−
Not diastatic
Does not carry the STA1 (diastaticus) gene. It attenuates normally, with no diastaticus over-attenuation or gushing risk.
Same strain, other labs
Potential substitutes for Kolsch Ale
Usually used in
Blonde alesAmerican WheatBerliner Weisse & Gose
Common questions
- What is the Kolsch Ale equivalent?
- G03 Dieter, OYL-044 Kolsch II, and WLP029 German Ale/Kölsch Yeast — the same strain from other labs, the Kölsch (WLP029) strain.
- What is Kolsch Ale's attenuation?
- 72–78% apparent attenuation.
- What temperature should I ferment Kolsch Ale at?
- 18–21°C is the recommended range.
- Does Kolsch Ale produce phenolics (clove and spice)?
- No. Kolsch Ale is POF-negative (phenolically clean), so it won't throw clove or spice.
- What beer styles is Kolsch Ale good for?
- Blonde ales, American Wheat, and Berliner Weisse & Gose.
- What can I substitute for Kolsch Ale?
- 2124 Bohemian Lager, Isar Lager, L13 Global, and OYL-106 German Lager I.
Brew with Kolsch Ale
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