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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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All the Bretts Yeast | Omega Yeast OYL-218

Omega Yeast
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Omega Yeast OYL-218 All the Bretts : Complex Funk for Creative Brews Craft Unique and Funky Beers with Brettanomyces Blends Omega Yeast OYL-218 All...

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Amalgamation I Brettanomyces Blend | White Labs WLP4637

White Labs
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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

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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Belgian Lambic Blend Yeast | Wyeast 3278 Yeast

Wyeast
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Wyeast 3278 Belgian Lambic Blend Yeast encapsulates the artistry of spontaneous fermentation, inviting brewers to delve into the world of Lambics a...

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Belgian Sour Mix 1 | White Labs WLP655 Yeast

White Labs
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White Labs WLP655 Belgian Sour Mix #1: Mixed Culture Blend for Clean, Complex Sours Create Crisp Belgian-Style Sours with Balanced Funk and Tartnes...

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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
2 in stock

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 bruxellensis | White Labs WLP650 Yeast

White Labs
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White Labs WLP650 Brettanomyces bruxellensis: Unleash Classic Brett Funk Funk, Earth, and Complexity for Wild Ales & Farmhouse Styles White Lab...

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Brettanomyces bruxellensis | Wyeast 5112 Yeast

Wyeast
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Brettanomyces bruxellensis by Wyeast 5112 is a wild yeast strain that originates from the Brussels region of Belgium. It is known for producing the...

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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 claussenii | White Labs WLP645 Yeast

White Labs
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White Labs WLP645 Brettanomyces claussenii: Subtle Funk with Tropical Nuance Add Depth and Character to Wild Ales and Farmhouse Brews White Labs WL...

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Brettanomyces lambicus by Wyeast 5526

Wyeast
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Brettanomyces lambicus by Wyeast 5526 is a wild yeast strain isolated from Belgian lambic beers. It is known for producing a pie cherry-like flavor...

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