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Wild Yeasts & Bacteria

Wild yeasts and bacteria bring complexity, funk, and acidity to brewing, allowing homebrewers to craft unique sour, funky, and mixed-fermentation beers. Traditionally used in styles like Lambic, Berliner Weisse, Gose, and American Wild Ales, these organisms contribute flavors ranging from fruity and tart to earthy and barnyard-like.

Our Wild Yeasts & Bacteria collection includes a variety of Brettanomyces, Lactobacillus, Pediococcus, and mixed cultures from industry-leading brands like White Labs, Wyeast, and Omega Yeast. Brettanomyces is known for its distinct funk and tropical fruit notes, while Lactobacillus and Pediococcus produce lactic acid for controlled souring. Mixed cultures provide a combination of wild yeast and bacteria, creating layered flavors that develop over time.

These wild fermenting organisms can be used for primary fermentation, secondary aging, or blending, depending on the desired intensity of funk and acidity. Whether you're looking to experiment with a 100% Brett fermentation, add a tart kick to a kettle sour, or craft a barrel-aged mixed-culture masterpiece, this collection offers everything needed for creative and expressive fermentation.


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Acid Tripp Yeast | White Labs WLP6420 Yeast | Vault Strain

White Labs
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White Labs WLP6420 Acid Tripp Yeast: Accelerate Your Sours with Complex Fruit Character Craft Vibrant Kettle Sours with Rapid Acidification and Fru...

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Amalgamation I Brettanomyces Blend | White Labs WLP4637

White Labs
Out of stock

White Labs Amalgamation I Brettanomyces Blend WLP4637 A Unique Blend for Complex, Funky Fermentations White Labs Amalgamation I Brettanomyces Blend...

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Amalgamation II Brettanomyces Blend | White Labs WLP4641

White Labs
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White Labs Amalgamation II Brettanomyces Blend WLP4641 A Dynamic Blend for Complex and Funky Ales White Labs Amalgamation II Brettanomyces Blend (W...

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Amalgamation V Brettanomyces Blend | WLP4643 | Vault Strain

White Labs
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White Labs Amalgamation V Brettanomyces Blend WLP4643 A Limited-Release Blend for Complex and Dynamic Fermentations White Labs Amalgamation V Brett...

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American Farmhouse Yeast Blend | White Labs WLP670 Yeast | Vault Strain

White Labs
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Farmhouse & Saison Complexity in a Single Pitch WLP670 American Farmhouse Ale Blend is a next-generation liquid yeast combining a clean America...

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Appalachian Tart | White Labs WLP631 Yeast | Vault Strain

White Labs
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Fast, Fruity Sour with One Easy Pitch WLP631 Appalachian Tart is a specialty White Labs blend of farmhouse Kveik yeast and Lactobacillus, designed ...

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Beersel Brettanomyces Blend | White Labs WLP4605 Yeast

White Labs
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White Labs Beersel Brettanomyces Blend WLP4605 A Belgian-Inspired Blend for Authentic Wild Ales White Labs Beersel Brettanomyces Blend (WLP4605) co...

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Berkeley Hills Sour Yeast | WLP4665 | Vault Strain

White Labs
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White Labs Berkeley Hills Sour Yeast WLP4665 A Unique Vault Strain for Balanced Sour Ales White Labs Berkeley Hills Sour Yeast (WLP4665) is a Vault...

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Berliner Weisse Blend Yeast | White Labs WLP630 Yeast

White Labs
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White Labs WLP630 Berliner Weisse Blend Yeast: Crisp & Refreshing with Authentic Sour Character Produce Tart, Effervescent Berliner Weisse with...

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Brettanomyces Blend #3 BRING ON DA FUNK | Omega Yeast OYL-212

Omega Yeast
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Infuse Your Beers with Bold Funk and Depth Omega Yeast OYL-212 Brettanomyces Blend #3: BRING ON DA FUNK is a dynamic blend of Brettanomyces strains...

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Brettanomyces bruxellensis strain TYB184 | WLP4638 Yeast

White Labs
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White Labs Brettanomyces bruxellensis TYB184 WLP4638 A Bold Brettanomyces Strain for Funky and Complex Brews White Labs Brettanomyces bruxellensis ...

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Brettanomyces bruxellensis Trois Vrai | White Labs WLP648

White Labs
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White Labs WLP648 Brettanomyces bruxellensis “Trois Vrai”: Clean, Fruity, and Versatile Farmhouse Brett Introduce Gentle Funk and Delicate Fruit No...

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Brettanomyces bruxellensis TYB207 | WLP4639 | Vault Strain

White Labs
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White Labs Brettanomyces bruxellensis TYB207 WLP4639 A Limited-Release Vault Strain for Unique and Complex Brews White Labs Brettanomyces bruxellen...

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Brettanomyces bruxellensis TYB261 | WLP4640 | Vault Strain

White Labs
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White Labs Brettanomyces bruxellensis TYB261 WLP4640 A Limited-Release Vault Strain for Complex and Evolving Flavors White Labs Brettanomyces bruxe...

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Brettanomyces bruxellensis TYB307 | WLP4655 | Vault Strain

White Labs
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White Labs Brettanomyces bruxellensis TYB307 WLP4655 A Vault Strain for Bold, Complex, and Funky Beers White Labs Brettanomyces bruxellensis TYB307...

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Brettanomyces bruxellensis TYB415 | WLP4656 | Vault Strain

White Labs
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White Labs Brettanomyces bruxellensis TYB415 WLP4656 A Vault Strain for Dynamic and Layered Fermentations White Labs Brettanomyces bruxellensis TYB...

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Brettanomyces claussenii | Omega Yeast OYL-201

Omega Yeast
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Add Subtle Funk and Tropical Complexity Omega Yeast OYL-201 Brettanomyces claussenii is a milder Brettanomyces strain prized for its restrained fun...

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Brettanomyces lambicus | White Labs WLP653 Yeast

White Labs
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White Labs WLP653 Brettanomyces lambicus: Classic Funk and Complexity for Wild Ales Bold Brettanomyces Character for Traditional Lambics and Mixed ...

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Brussels Brettanomyces Blend | WLP4615 | Vault Strain

White Labs
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White Labs Brussels Brettanomyces Blend WLP4615 A Vault Strain for Authentic Belgian-Inspired Wild Ales White Labs Brussels Brettanomyces Blend (WL...

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C2C American Farmhouse Yeast | Omega Yeast OYL-217

Omega Yeast
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Brew Rustic and Complex Farmhouse Ales Omega Yeast OYL-217 C2C American Farmhouse Yeast is a versatile blend of Saccharomyces and Brettanomyces str...

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Lactobacillus Blend | White Labs WLP4682 Yeast | Vault Stain

White Labs
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White Labs WLP4682 Lactobacillus Blend: Ideal for Fast, Flavorful Kettle Sours Target Clean, Tart Acidification with White Labs’ Pure Culture Blend...

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Lactobacillus brevis TYB282 | White Labs WLP4681

White Labs
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White Labs WLP4681 Lactobacillus brevis TYB282: High Lactic Production, Low Hop Tolerance Create Clean, Tart Sour Beers with a Classic Lacto Strain...

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Lactobacillus buchneri | Wyeast 5335

Wyeast
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Lactobacillus buchneri | Wyeast 5335 Lactic Acid Bacteria for Sour Beer Production Wyeast 5335 Lactobacillus buchneri is a pure lactic acid bacteri...

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Lactobacillus plantarum | White Labs WLP693

White Labs
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White Labs WLP693 Lactobacillus plantarum – Versatile Fast-Sour Culture for Beers & Ciders Create Clean, Sharp Acidity in Multiple Fermentation...

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