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White Labs Cry Havoc Hybrid Yeast WLP862
White Labs Cry Havoc Hybrid Yeast WLP862  |  love2brew.com

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This signature strain, from Charlie Papazian, has the ability to ferment at both ale and lager temperatures allowing the brewer to produce diverse beer styles. The recipes in both Papazian's books, The Complete Joy of Homebrewing and The Homebrewers Companion, were originally developed and brewed with this yeast. Papazian had "Cry Havoc" in his yeast stable since 1983.

When fermented at ale temperatures, the yeast produces fruity esters reminiscent of berries and apples. Hop character comes through well with hop accented beers. Diacetyl production will be very low when proper fermentation techniques are used.

When fermented at lager temperatures, esters are low in high gravity beers and negligible in other beers. Pleasant baked bread-like yeast aroma is often perceived in malt accented lagers. Slightly extended fermentation times may be experienced compared to other lagers. Some fermentation circumstances may produce sulfur aroma compounds, but these will usually dissipate with time. Good yeast for bottle conditioning.


Type: Hybrid Yeast



Minimum Attenuation: 66%

Maximum Attenuation: 70%

Flocculation:  Medium to Low

Minimum Fermentation Temperature: 68°F (20°C)

Maximum Fermentation Temperature: 74°F (23°C)

Minimum Cellaring Temperature: 50°F (10°C)

Maximum Cellaring Temperature: 55°F (13°C)

Alcohol Tolerance:  Medium



Minimum Attenuation: 66%

Maximum Attenuation: 70%

Flocculation:  Low

Minimum Fermentation Temperature: 55°F (13°C)

Maximum Fermentation Temperature: 58°F (14°C)

Minimum Lagering Temperature: 32°F (0°C)

Maximum Lagering Temperature: 37°F (3°C)

Alcohol Tolerance:  Medium