OYL-005 Irish Ale Omega Yeast


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Omega Yeast OYL-005 Irish Ale is from Ireland's storied stout. OYL-005 is a dry, crisp, lightly fruity, versatile and powerful strain. A good fermenter with reliable, average flocculation (some diacetyl possible).  When fermented at the lowest temperature hints of fruit at the lowest can be noted, which increases in complexity at higher temperatures (18°C+ / 64°F+). Successful in dark and high gravity beers. Sláinte!

Omega Yeast's metabolically healthy cells produce vigorous fermentation and consistent results for home brewers and probrewers alike.  Each homebrew pack (150ml) is packed with  225b cells.

Strain Type

  • Ales


  • Medium


  • 69-75%

Temperature Range

  • 17–22° C (62–72° F) 

Alcohol Tolerance

  • 12%

Similar to:

  • GY080 Irish Stout GigaYeast
  • WLP004 Irish Ale White Labs
  • WY1084 Irish Ale Wyeast

BeerCo All Grain Brewers Kits featuring OYL-005 Irish Ale Omega Yeast