Black Project Mixed Sour Culture - Bootleg Biology

Source: A unique blend of wild yeast and lactic acid bacteria (LAB) curated by Black Project Spontaneous Ales in Denver, CO, USA

Available for the first time during our Spring 2022 Homebrew Presale!

Black Project Spontaneous Ales is the creator of world-class beers Dreamland, Shadow Factory, Jumpseat and Stargate.

This culture is a rare mix of microbes sourced from the Denver brewery’s coolship and wild yeast living on Colorado-grown Riesling grape skins used for beer production.

Expect a short, clean-tasting initial phase, with Brett funk and acid developing over multiple months.

Black Project Spontaneous Ales  Culture is ideal for a wide range of Belgian and farmhouse ale styles like grisettes, saisons and American wild ales. Visit the official recipe page for inspiration when using this culture.

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