Professional Yeast Bank

You will find descriptions of all strains available to professional/craft brewers on this page. To refine the listings, please use the strain finder bar to the right.

Looking for Homebrew Strains? Go here.

WLP001 California Ale Yeast®

This yeast is famous for its clean flavors, balance and ability to be used in almost any style ale. It accentuates the hop flavors and is extremely versatile.

View More »
Attenuation:
73-80%
Flocculation:
Medium
Optimum Ferment Temp:
68-73°F (20-23°C)
Alcohol Tolerance:
High

WLP003 German Ale II

Good for Kölsch, Alt, and German style Pale Ales. Strong sulfur component will reduce with aging. Clean, but with more ester production than WLP029.

View More »
Attenuation:
73-80%
Flocculation:
Medium
Optimum Ferment Temp:
65-70°F, Does not ferment well less than 62°F
Alcohol Tolerance:
Medium

WLP025 Southwold Ale Yeast

From Suffolk county, England. This yeast produces complex fruit, citrus, and spicy flavors. Great for British bitters and pale ales. Slight sulfur is produced during fermentation, which will disappear with aging.

View More »
Attenuation:
68-75%
Flocculation:
Medium
Optimum Ferment Temp:
66-69°F (18-20°C)
Alcohol Tolerance:
Medium

WLP026 Premium Bitter Ale Yeast

From Staffordshire, England. Fermentation gives a mild, but complex, estery character. Ferments strong and dry. Good for high gravity beers. Best for all English style ales, including bitters, milds, ESBs, porters, stouts, and barley wines.

View More »
Attenuation:
70-75%
Flocculation:
Medium
Optimum Ferment Temp:
67-70°F (19-21°C)
Alcohol Tolerance:
Medium

WLP033 Klassic Ale Yeast

Traditional English style, single strain yeast. Produces signature ester character, and does not mask hop character. Leaves ale with a slightly sweet malt character. Best for bitters, milds, porters, and stouts. Also good for Scottish style ales.

View More »
Attenuation:
66-74%
Flocculation:
Medium
Optimum Ferment Temp:
66-70°F (19-21°C)
Alcohol Tolerance:
Medium

WLP038 Manchester Ale Yeast

Top-fermenting strain that is traditionally good for top-cropping. Moderately flocculent with a clean, dry finish. Low ester profile, producing a highly balanced English-style beer.

View More »
Attenuation:
70-74%
Flocculation:
Medium to High
Optimum Ferment Temp:
65-70°F
Alcohol Tolerance:
Medium- High

WLP076 Old Sonoma Ale Yeast

Yeast from an historic brewery in Northern California, this strain was embraced by the early pioneers of craft beer in America and continues to be a great choice for those seeking to use a traditional British-style yeast. A neutral and versatile strain, it is a great choice for pale ales, porters, and stouts.

View More »
Attenuation:
70-74%
Flocculation:
Medium
Optimum Ferment Temp:
66-70°F (18-21°C)
Alcohol Tolerance:
Medium

WLP815 Belgian Lager Yeast

Seasonal Availability: Jan - Feb

Clean, crisp European lager yeast with low sulfur  production. The strain originates from a very old brewery in West Belgium. Great for European style pilsners, dark lagers, Vienna lager, and American style lagers.

View More »
Attenuation:
72-78%
Flocculation:
Medium
Optimum Ferment Temp:
50-55°F (10-12°C)
Alcohol Tolerance:
Medium

WLP850 Copenhagen Lager Yeast

Clean, crisp north European lager yeast. Not as malty as the southern European lager yeast strains. Great for European style pilsners, European style dark lagers, Vienna, and American style lagers.

View More »
Attenuation:
72-78%
Flocculation:
Medium
Optimum Ferment Temp:
50-58°F (10-14°C)
Alcohol Tolerance:
Medium

WLP925 HP Lager Yeast

Use to ferment lager beer in one week! Ferment at room temperature 62-68°F) under 1.0 bar (14.7 PSI) until final gravity is obtained, generally in one week. Lager the beer at 35°F, 15 PSI, for 3-5 days, to condition. Sulfur production is strong first 2 days, then disappears by day 5. Do not need to carbonate, since at 1 bar entire time.

View More »
Attenuation:
73-82%
Flocculation:
Medium
Optimum Ferment Temp:
62-68°F (17-20°C)
Alcohol Tolerance:
Medium