WLP4042 Hazy Daze Yeast Blend I
Liquid Blend yeast from White Labs.
Lab
White Labs· Blend · Liquid · WLP4042
White Labs· Blend · Liquid · WLP4042Specs
Attenuation
79–83%
The share of sugars the yeast ferments out. Higher attenuation means a drier, stronger beer.
Optimal temp
18–21°C
64–70°F
The range where this strain ferments cleanly, without throwing off-flavors. Most brewers pitch near the low end.
Flocculation
Med-low
How readily the yeast clumps together and drops clear once fermentation winds down.
Alcohol tolerance
≈12% ABV
The rough ABV ceiling where the yeast stresses out and stops fermenting.
Genetic traits
Phenolics
POF−
Ferments clean
Phenolically clean (POF-negative). No clove or spice, so malt, esters, and hops come through unmasked. The norm for American and British ales and most lagers.
Diastatic
STA-1−
Not diastatic
Does not carry the STA1 (diastaticus) gene. It attenuates normally, with no diastaticus over-attenuation or gushing risk.
Common questions
- What is WLP4042 Hazy Daze Yeast Blend I's attenuation?
- 79–83% apparent attenuation.
- What temperature should I ferment WLP4042 Hazy Daze Yeast Blend I at?
- 18–21°C is the recommended range.
- Does WLP4042 Hazy Daze Yeast Blend I produce phenolics (clove and spice)?
- No. WLP4042 Hazy Daze Yeast Blend I is POF-negative (phenolically clean), so it won't throw clove or spice.
Brew with WLP4042 Hazy Daze Yeast Blend I
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