OYL-004 West Coast Ale I Omega Yeast

$12.00 $15.95

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OYL-004 West Coast Ale I is popularly known as the “Chico” strain.  OYL-004 ferments crisp and clean with light citrus notes under 19°C.  Highly versatile and popular neutral foundation for a variety of malts and hops, commonly used as a house strain. This strain also has a highly attenuative and moderately flocculating.

Try Omega DIPA (OYL-052) or British I (OYL-006) to highlight hops more, or West Coast Ale II (OYL-009) and Scottish Ale (OYL-015) for malt displays.

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-Low


  • 73-80%

Temperature Range

  • 16–23° C (60–73° F) 

Alcohol Tolerance

  • 11%

Similar to:

  • WLP001 California Ale White Labs
  • WY1056 American Ale Wyeast