Omega Yeast | OYL-501 Gulo® Ale | Beer Yeast | Double Pitch | 225 Billion Cells

★★★★★ 4.3 49 reviews

US$6.00
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US$6.00
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Free shipping Free 30-day returns

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Management number 248653179 Release Date 2026/09/03 List Price US$6.00 Model Number 248653179
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  • OYL-501 exhibits the flavor of Omega's Irish strain while providing the powerful attentuation of their French strain
  • Expect orange-marmalade and peach character with a clean, brut-like finish
  • Double pitch size with a minimum of 225 billion cells—twice the size of the standard yeast pitch
  • Proprietary propagation methods generate fresh, metabolically strong yeast cells and optimal biomass
  • Omega Yeast is founded on curiosity and innovation, expertly producing common workhorse varieties and many unique strains

Gulo™ Ale is the latest creation to emerge from the curious minds of Omega's R&D team. The progeny of their Irish Ale and French Saison strains, this true genetic hybrid is a beast at devouring sugars, which creates a very dry beer without any of the peppery, clove phenolics associated with saisons and Belgian ales. Expect a citrus-forward aroma with hints of peach and a clean finish. Gulo™ Ale excels in any style where a high level of attenuation is desired without phenolics. We love using it in an IPA (including a brut IPA), stout, or Bière de Garde. Non-phenolic.

This strain tests positive for the STA1 gene, an indicator of Saccharomyces cerevisiae var. diastaticus, and is capable of fermenting dextrins, resulting in very high attenuation.

Not sure what to brew? Check out Omega's Raw NEIPA recipe using Gulo™ Ale!

Attenuation: 85-90%
Flocculation: Medium
Alcohol Tolerance: 12% ABV
Optimum Fermentation Temp: 68-77°F
Cell Count: 225 Billion

Please Note: For best results we Always recommend ordering an Ice Pack with your liquid yeast. Ice Packs can be found below in the "You might Also Need" section.

Please Note: When choosing an ice pack option beware that the liquid yeast will not arrive cold even when shipped together. Ice packs and insulated mailing options are designed to keep the yeast colder for longer during shipment, but they will not ensure that your yeast arrives cold. We will not replace liquid yeast that arrives warm. During warmer months we strongly recommend you choose dry yeast.


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