Old Bavarian Lager Yeast | White Labs WLP920 Yeast
White Labs WLP920 Old Bavarian Lager Yeast: Smooth Fermentations for Full-Bodied German Lagers
Authentic Bavarian Lager Yeast with a Malty, Rich Finish
White Labs WLP920 Old Bavarian Lager Yeast is a traditional German strain prized for its clean, smooth fermentations and rich malt-forward character. This strain produces medium to full-bodied beers with a subtle ester profile and high clarity after lagering. With medium attenuation and medium flocculation, it’s well-suited for classic styles that benefit from enhanced malt flavor and a slightly sweet finish. WLP920 is perfect for brewers looking to craft authentic German-style lagers with depth, smoothness, and balance.
Key Characteristics:
- Attenuation: 66% – 73%
- Flocculation: Medium
- Alcohol Tolerance: Medium (up to ~9%)
- Fermentation Temperature Range: 50°F – 55°F (10°C – 13°C)
- STA1 Status: Negative
Ideal for Brewing:
- Bock
- Munich Dunkel
- Oktoberfest/Märzen
- Vienna Lager
- Traditional German Lagers
Why Choose WLP920 Old Bavarian Lager Yeast?
- Classic German Profile: Creates malty, full-bodied lagers with authentic Bavarian character.
- Clean Fermentation: Minimal esters and sulfur for a smooth and refined finish.
- Reliable Performance: Trusted by brewers seeking consistent results in traditional lagers.
Enhance Your Brewing Process
Improve fermentation with White Labs Brewzyme to reduce diacetyl, and boost yeast health with White Labs Zinc Buddy.
Our Commitment to Yeast Health
At SoCal Brewing Supply, we store all White Labs yeasts in monitored, temperature-controlled refrigerators for peak freshness and viability. When shipping, we recommend adding an ice pack and insulated envelope to reduce temperature fluctuations during transit. Melted ice packs are normal and help prevent heat stress.
Explore our full White Labs Yeast Collection to find the perfect strain for your next brew.
Craft smooth, traditional lagers with the rich, malty depth of White Labs WLP920 Old Bavarian Lager Yeast.