Sour Solera Blend (Summer 2015 OG)


Sour Solera Blend PellicleBBXSS-0715-OG / Summer 2015 OG

Availability: Limited. A re-release from deep in the vault.

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 🏆

This version is the very first entry in the storied Sour Solera Blend chronicles.

This explosion of saison sacch, brett, pedio and lacto will continually evolve over time in the bottle. This version lowers pH much more aggressively than contemporary versions of the blend. Lemon-lime acidity with hints of saison esters will emerge in young beers, with brett emerging over longer periods of aging.

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.

This is our Summer 2015 release of the Sour Solera™ Blend. It is only available for a limited time during summer of 2023. 

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.

Out of stock


Catalog: BBXSS-0715-OG / Summer 2015 OG

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


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