BREWING.IT/ yeast

1581-PC Belgian Stout

Liquid Ale yeast from Wyeast.

LabWyeast· Ale · Liquid · 1581-PC

Specs

Attenuation
70–85%
The share of sugars the yeast ferments out. Higher attenuation means a drier, stronger beer.
Optimal temp
18–24°C
64–75°F
The range where this strain ferments cleanly, without throwing off-flavors. Most brewers pitch near the low end.
Flocculation
Medium
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.

Usually used in

Belgian AlesBelgian Tripel & Saison

Common questions

What is 1581-PC Belgian Stout's attenuation?
70–85% apparent attenuation.
What temperature should I ferment 1581-PC Belgian Stout at?
18–24°C is the recommended range.
Does 1581-PC Belgian Stout produce phenolics (clove and spice)?
No. 1581-PC Belgian Stout is POF-negative (phenolically clean), so it won't throw clove or spice.
Is 1581-PC Belgian Stout diastatic (STA-1)?
No. 1581-PC Belgian Stout does not carry the STA1 gene, so it attenuates normally with no diastaticus gushing risk.
What beer styles is 1581-PC Belgian Stout good for?
Belgian Ales and Belgian Tripel & Saison.
Brew with 1581-PC Belgian Stout
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