Sour Solera Blend (Spring 2024)

(1 customer review)


Sour Solera Blend PellicleBBXSS-0424 / Spring 2024

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

Source: A “living” culture blend propagated from our carefully managed continuous solera fermentation.

🏆 Sour Solera helped win a medal in Wood- and Barrel-Aged Sour Beer (GABF 2021) for River Dog Brewing 🏆

Sour Solera™ Blend contains a unique and complex collection of Saccharomyces, Brettanomyces, Lactobacillus, Pediococcus and other funky yeast and souring bacteria pulled from an active fermentation. This blend can sour in a matter of months at 70ºF or higher, or if you prefer a more prolonged fermentation, use large amounts of aged hops and/or ferment and hold at temperatures below 70ºF.

Many lab-produced multi-species culture blends fail to reproduce the richness and complexity of traditional lambic-style fermentations in their first effort. This can be a result of artificially slamming together cultures after pulling them directly from the freezer.

This blend is available seasonally, and will always be changing and evolving due to the nature of solera fermentations. Warning: No two Sour Solera™ Blend releases will be the same, and neither will their fermentations.

This is our seasonal release of the Sour Solera™ Blend. The previous releases are sold out.

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 Ordering & Shipping Policy. By ordering cultures, you are agreeing to this policy. Thank you!

Commercial Brewers: Please visit our Commercial Pitches page to order 1 to 30BBL sized pitches.

In stock (can be backordered)


Catalog: BBXSS-0424 / Spring 2024

Brewing Info*:

  • Type: Yeast & Lactic Acid Bacteria blend. Saccharomyces, Brettanomyces, Lactobacillus, Pediococcus, and other wild variants.
  • Pitching Rate: Directly pitchable into 5 gallons of 1.050 or lower wort
  • Estimated Attenuation: 96%-100%
  • Estimated Final pH: 3.2-3.5
  • Flavor/Aroma Profile: Funky, Sour; varies batch-to-batch
  • Flocculation: Low to medium; Higher with prolonged aging
  • Recommended Fermentation Temperature:
    • For quick souring (less than 3 months): 70-80ºF
    • For gradual souring: below 70ºF

Product Category: Dusty Bottoms Collection™

The Dusty Bottoms Collection™ is our ode to unique and hard to find cultures sourced from commercial fermentations. As much as we love local yeast, there are just some flavors and aromas that can’t be reproduced by plucking yeast out of thin air.

Many of these cultures have been used for generations to make some of the most consistently wonderful beverages in the world. Whether it’s brewer’s yeast, Brettanomyces, or Lactobacillus…these aren’t Local Yeast by our definition, but certainly were local at one time.

Additional information

Weight.1875 lbs
Dimensions5 × .5 × 8 in

Fall 2020, Fall 2019 SE, Fall 2018 SE, Fall 2015 SE

1 review for Sour Solera Blend (Spring 2024)

  1. John Hocking

    If you are serious about traditional mixed fermentations then you need these solera blends. I have one going in a sixty gallon wine barrel right now and it has been healthy and producing sour wort now for three years! you can’t duplicate the diversity of micorflora being offered here from know, successful barrels no matter what commercial pitches you use. think of each barrel as its own little unique biosphere, if you buy one ofthese pitches that’s what you are gaining access to. I always make a starter and feed these before pitching. make a dextrin and strach laden wort and keep the ibus in the teens or lower. pitch in a glass carbo,y add plenty of oak, and be patient. Or, preferably, get yourself a fifteen gallon or bigger barrel and the help of some home brew buddies like I did. shell out and get a barrel pitch of this stuff and innoculate the barrel with it and I promise you wont be disappointed.

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