Lallemand Sourvisiae Yeast

Regular price $9.99
  • Produces lactic acid AND alcohol during fermentation.
  • Streamlined sour beer brewing - no need to kettle sour.
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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, Dry
Yeast Style, Sour Ale
Flocculation, High
Attenuation, 76~82%
Fermentation Temperature Range, 59~72ºF
Alcohol Tolerance, 12%

Style Applications:

Sour ales

The Lallemand Sourvisiae Yeast simplifies sour beer brewing by producing both lactic acid and alcohol in one fermentation step—no kettle souring required. This innovative dry yeast delivers clean, balanced sourness with consistent results every time.

Each packet ferments up to 5 gallons of beer and performs best between 59°F and 72°F, with an alcohol tolerance of up to 12%.

Perfect for: Berliner Weisse, Gose, and other fast-fermented sour ales.

Brewing Support, Anytime.

From step-by-step instructions to video tutorials and real human support - our brewing experts are just an email away.

Quality You Can Trust.

We use the same premium grains, hops & yeast trusted by the pros. No shortcuts. No substitutes. Just the good stuff.

The "We Got You" Guarantee.

We’re committed to your first batch being a great one. If something goes sideways, we’ll help you troubleshoot or replace what you need - fast.

Lallemand Sourvisiae Yeast
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