Bootleg Biology – Sour Solera Blend (Spring 2023)

$18.00 incl. GST

** Please note – we recommend the purchase of gel ice packs for all liquid yeast being shipped **

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

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 21ºC or higher, or if you prefer a more prolonged fermentation, use large amounts of aged hops and/or ferment and hold at temperatures below 21ºC. 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.

Additional strain info below

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Additional information

Weight0.12 kg
Strain Type

Yeast & Lactic Acid Bacteria blend. Saccharomyces, Brettanomyces, Lactobacillus, Pediococcus, and other wild variants.

Estimated Attenuation

92% – 98%


Low to medium; Higher with prolonged aging

Flavour / Aroma Profile

Funky, Sour; varies batch-to-batch

Best Before


Ideal Temperature


Pitching Rate

Directly pitchable into 20L of 1.050 or lower wort

Fermentation Temperature

Ale (16°-23°C)

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