Rhine Kölsch Yeast | White Labs WLP4061 | Vault Strain

Rhine Kölsch Yeast – WLP4061 Vault Strain from White Labs Authentic Kölsch Character with Lager-Like Finish White Labs WLP4061 Rhine Kölsch Yeast is a limited Vault strain sourced from a traditional brewery in Cologne, Germany—the birthplace of Kölsch beer. This strain offers the hallmark clean, crisp profile of a lager, while preserving a light fruitiness and malt clarity that define the style. Expect a smooth fermentation with balanced ester expression and a dry, refreshing finish. This yeast is perfect for authentic Kölsch, light German ales, and other hybrid lager-ale styles. Key Characteristics: Strain Type: Ale (Kölsch-style) Origin: Cologne, Germany Flocculation: Medium Attenuation: 73% - 80% Alcohol Tolerance: 10% ABV Optimal Fermentation Temperature: 65°F - 69°F (18°C - 21°C) Available Formats: PurePitch® Liquid (70 mL) Style Recommendations: Kölsch German Blonde Ales Hybrid Lager-Ales Why Choose This Vault Strain: This limited-release Vault strain is only available