2633 Octoberfest Lager Blend
Liquid Blend yeast from Wyeast.
Lab
Wyeast· Blend · Liquid · 2633
Wyeast· Blend · Liquid · 2633Specs
Attenuation
73–77%
The share of sugars the yeast ferments out. Higher attenuation means a drier, stronger beer.
Optimal temp
9–14°C
48–57°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
≈9% 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
FestbierMärzenVienna Lager & Rauchbier
Common questions
- What is 2633 Octoberfest Lager Blend's attenuation?
- 73–77% apparent attenuation.
- What temperature should I ferment 2633 Octoberfest Lager Blend at?
- 9–14°C is the recommended range.
- Does 2633 Octoberfest Lager Blend produce phenolics (clove and spice)?
- No. 2633 Octoberfest Lager Blend is POF-negative (phenolically clean), so it won't throw clove or spice.
- What beer styles is 2633 Octoberfest Lager Blend good for?
- Festbier, Märzen, and Vienna Lager & Rauchbier.
Brew with 2633 Octoberfest Lager Blend
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