SafLager S-23
Dry Lager yeast from Fermentis.
Lab
Fermentis· Lager · Dry · S-23
Fermentis· Lager · Dry · S-23Specs
Attenuation
80–84%
The share of sugars the yeast ferments out. Higher attenuation means a drier, stronger beer.
Optimal temp
9–22°C
48–72°F
The range where this strain ferments cleanly, without throwing off-flavors. Most brewers pitch near the low end.
Flocculation
High
How readily the yeast clumps together and drops clear once fermentation winds down.
Alcohol tolerance
≈11% 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.
Same strain, other labs
Potential substitutes for SafLager S-23
Usually used in
Lagers & Märzen
Common questions
- What is the SafLager S-23 equivalent?
- Premium Pils and 2001 Pilsner Urquell H-Strain — the same strain from other labs, the S-23 (Pilsner Urquell H-Strain) strain.
- What is SafLager S-23's attenuation?
- 80–84% apparent attenuation.
- What temperature should I ferment SafLager S-23 at?
- 9–22°C is the recommended range.
- What beer styles is SafLager S-23 good for?
- Lagers & Märzen.
- What can I substitute for SafLager S-23?
- M84 Bohemian Lager Yeast, WLP800 Pilsner Lager Yeast, L28 Urkel, and WLP820 Oktoberfest/Marzen Lager Yeast.
Brew with SafLager S-23
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