White Labs | WLP810 San Francisco Lager Yeast | PurePitch® Next Generation

White Labs | WLP810 San Francisco Lager Yeast | PurePitch® Next Generation

$14.99
White Labs WLP810 San Francisco Lager Yeast ferments at warmer ale temperatures while producing clean, lager-like characteristics — the definitive strain for California Common and steam beer.
  • The ideal yeast for California Common (steam beer).
  • 70 mL pouch treats a 5 gallon batch
  • A lager strain that ferments within a wide temperature range, while retaining lager-like characteristics.
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Ice Packs / Shipping:For best results, we strongly recommend adding an ice pack to your liquid yeast order. Ice packs do not guarantee that yeast will arrive cold, but will keep yeast colder for longer during transit. We can not replace yeast that arrives warm. In warm weather months, we highly encourage choosing dry yeast. Liquid yeast is final sale. As a live, perishable ingredient that requires refrigeration, we are unable to accept returns or exchanges once an order has left our warehouse.

Storage: Store in the fridge (33–38ºF). Do not freeze. Pitch cold - do not warm to room temp prior to pitching. Use within 4 months for direct pitching. For pouches older than 4 months, or that are warm, use a yeast starter to boost cell count.

Fermentation Temp Range
Each yeast strain has a temperature range where it performs best. Lagers require cooler temps, while Kveik yeasts can ferment in extreme heat. Maintaining the proper fermentation temperature for each yeast strain is crucial its health. Matching a yeast's ideal range to your environment (or your ability to control temp) is key to getting clean, consistent results.
Scale from 30°-120°F
Product Analysis
This typical analysis is not to be construed as product specification. Typical analysis represents average values, not to be considered as guarantees, expressed or implied, nor as a condition of sale.

Yeast Format, Liquid
Yeast Style, Lager
Flocculation, High
Attenuation, 70~75%
Alcohol Tolerance, Medium, 5–10%
Fermentation Temp, 58~65°F
STA1, Negative

WLP810 San Francisco Lager Yeast is the traditional choice for California Common (steam beer) — a style that uses lager yeast at warmer ale temperatures, producing a unique clean-but-characterful beer.

Its ability to ferment cleanly at 58–65°F makes it an ideal entry point for homebrewers who want to brew lager-style beers without cold fermentation equipment. It also performs well in Cream Ales, Kolsch-style beers, and Märzens when fermented at the lower end of its range.

WLP810 is suited for hybrid and lager styles fermented at warmer temperatures.

Primary: California Common, Cream Ale
Also works for: Amber Lager, American Lager, Marzen, Pale Lager, Kolsch

• Store refrigerated at 33–38°F
• Do not freeze
• Pitch cold into wort — no warm rehydration needed
• Use before the best-by date printed on the pouch
• Each 70 mL PurePitch® Next Generation pouch contains approximately 150 billion cells

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White Labs | WLP810 San Francisco Lager Yeast | PurePitch® Next Generation
From $14.99

Frequently Asked Questions

Most lager yeasts require cold fermentation below 55°F. WLP810 ferments cleanly at 58–65°F, producing lager-like character at temperatures accessible to most homebrewers without dedicated cold fermentation equipment.

California Common is a uniquely American hybrid style that uses lager yeast fermented at warmer ale temperatures. It originated in San Francisco during the Gold Rush era and is characterized by a clean, slightly toasty, malt-forward profile with subtle hop bite.

Each 70 mL PurePitch Next Generation pouch contains approximately 150 billion yeast cells, suitable for most standard 5-gallon batches.

Ferment between 58–65°F (14–18°C). Lower temperatures produce cleaner lager character; the upper end adds a touch more fruitiness while remaining clean.

For standard gravity 5-gallon batches a starter is generally not required. For higher gravity beers (above 1.060 OG) or lagers, a starter is recommended to ensure healthy fermentation.

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