White Labs WLP041 Pacific Ale from White Labs: 18 to 20 C (65 to 68 F), 65 to 70 % attenuation, Medium tolerance, high flocculation. Styles and substitutes.
Updated 05 September 2026.
White Labs WLP041 Pacific Ale yeast: temperature, attenuation and alcohol tolerance
White Labs (liquid)The published White Labs data for White Labs WLP041 Pacific Ale, the styles it suits, and what to use if you cannot get it.
Published technical data
| Manufacturer | White Labs (liquid) |
|---|---|
| Species | Saccharomyces cerevisiae, top-fermenting ale |
| Fermentation temperature | 18 to 20 C (65 to 68 F) |
| Apparent attenuation | 65 to 70 % |
| Alcohol tolerance | Medium |
| Flocculation | High |
Notes
Recommended for Northwest pale ale, amber, ESB, porter.
Character: Clean Pacific Northwest ale character with slight fruit and malt.
A Pacific Northwest strain that flocculates high and finishes with a touch of malt and fruit, useful where you want a slightly fuller, quicker-clearing alternative to the Chico strain. Its high flocculation drops it bright fast.
Substitutes and styles
Questions and answers
What is the manufacturer of the White Labs WLP041 Pacific Ale yeast?
White Labs (liquid)
What is the species of the White Labs WLP041 Pacific Ale yeast?
Saccharomyces cerevisiae, top-fermenting ale
What is the fermentation temperature of the White Labs WLP041 Pacific Ale yeast?
18 to 20 C (65 to 68 F)
What is the apparent attenuation of the White Labs WLP041 Pacific Ale yeast?
65 to 70 %