FerMENTORS Series: Black Project Spontaneous Ales Culture


BBXBLP – FerMENTORS Black Project Spontaneous Ales Culture

Availability: Core culture. Available with every homebrew culture presale release (3 times per year)

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 from Bootleg Biology!

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.

Ordering Information:

🚀🚀🚀 This homebrew culture qualifies for FAST Flat Rate Shipping (2 Day Air) with NO order minimum!

Please note that temperatures may vary wildly during shipment and after delivery. We highly recommend shipping to a person/location that can immediately refrigerate the culture once delivered.

Before ordering, please read Bootleg Biology’s homebrew culture shipping policy. By ordering cultures, you are agreeing to this policy. Thank you!

In stock (can be backordered)


Catalog: BBXBLP – FerMENTORS Black Project Spontaneous Ales Culture

Brewing Info*:

  • Type: Yeast & lactic acid bacteria blend.
  • Pitching Rate: Directly pitchable into five gallons of 1.050 or lower wort
  • Estimated Attenuation: 92%-98%
  • Estimated Final pH: 3.8-4.0
  • Flavor/Aroma Profile: Clean saison initial; Funky, sour with aging; varies batch-to-batch
  • Flocculation: Low to medium; Higher with prolonged aging
  • Recommended Fermentation Temperature: 65F-75F (18C-24C)

Product Category: Bootleg FerMENTORS Series

Bootleg Biology is the exclusive producer & distributor of the Black Project Spontaneous Ales Culture.

The FerMENTORS Series features house yeast and bacteria cultures from our favorite mixed-fermentation breweries. From spontaneous, local terroir to artfully inoculated fermentations, these cultures were carefully curated by the best of the best in wild and sour brewing. Never commercially released before, these unique cultures are the building blocks of world-class beers that you can now recreate in your brewery.

Additional information

Weight.1875 lbs
Dimensions5 × .5 × 8 in


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