Omega Yeast OYL-004 West Coast Ale I + DKO

Ships free with orders over $75, or $8 USA / $5 MI flat rate shipping under $75.


“Chico” at its best form. This workhorse utilizes DKO™ and Lumina™ Technologies, which gives you clean, crystal-clear beer without lingering diacetyl or haze. The yeast is well attenuative and moderately flocculating, with crisp, citrus notes when fermented under 66°F (19°C). US only.

What is DKO Technology?
DKO stands for Diacetyl Knock Out — a technology that knocks out diacetyl formation before it starts. Each strain utilizing DKO Technology expresses the ALDC enzyme, allowing you to streamline efficiency and quality without the diacetyl hang-up.

Lumina Technology
Lumina™ Technology blurs the line between yeast strains that could be used for NEIPAs and traditional West Coast IPAs, allowing the exploration of new flavor combinations. By reducing yeast-derived haze in Lumina strains, brewers can now access hazy IPA flavors in West Coast IPA and drive consistent clarity in modern IPA styles.


  • Flocculation: Medium - Low
  • Attenuation: 73 - 80%
  • Temperature Range: 60 - 73° F (16-23° C)
  • Alcohol Tolerance: 11% ABV