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FERMENTIS SAFLAGER S-23 YEAST
$11.95
S-23 yeast from Fermentis is a popular lager yeast for home brewing fruity and estery lagers. Originating from Berlin, this German lager yeast offers high sedimentation, medium final gravity and a smooth, lingering palate. Ideal for 11–15°C fermentation, it suits a range of lager styles and performs well from 11–24°C.

Product Description
Introduction
Fermentis SafLager S-23 yeast is a versatile bottom fermenting yeast originating from Berlin, Germany. Well suited to home brew lager yeast applications, this trusted lager yeast is recommended for producing fruity and estery lagers with a pleasing palate length. If you are looking for S-23 lager yeast for home brewing or a dependable beer yeast for German-style lagers, Fermentis S-23 is an excellent choice.
Key Features
- Authentic Fermentis SafLager S-23 yeast
- Bottom fermenting yeast originating from Berlin, Germany
- Recommended for fruity and estery lagers
- Lower attenuation profile for good length on the palate
- High sedimentation
- Medium final gravity
- Suitable temperature range: 11–24°C
- Ideal fermentation range: 11–15°C
Product Details
- Product: Fermentis S-23 yeast 11.5g
- Yeast type: lager brewing yeast
- Style suitability: fruity lagers, estery lagers, and yeast for brewing German style lager
Brewing Information
This SafLager S-23 strain performs best at 11–15°C, though it can be used across a broader temperature range of 11–24°C. Its lower attenuation profile helps create beers with a rounded character and pleasant palate length, making it a great bottom fermenting yeast for fruity lagers.
- Sedimentation: High
- Final Gravity: Medium
- Temperature Range: 11–24°C
- Ideal Temperature: 11–15°C
- Dosage at room temperature: 11.5g in 20 to 30 litres
- Dosage at 11–15°C: 2 x 11.5g in 20 to 30 litres
FAQ
What is S-23 yeast best used for?
S-23 yeast is best used for brewing fruity and estery lagers. It is a popular choice for brewers wanting a characterful German lager yeast with good palate length.
Is Fermentis S-23 a bottom fermenting yeast?
Yes, Fermentis S-23 is a bottom fermenting yeast, making it suitable for a wide range of lager styles.
What temperature should I ferment SafLager S-23 at?
The full temperature range is 11–24°C, with an ideal fermentation range of 11–15°C for best lager performance.
How much Fermentis S-23 yeast should I use?
Use 11.5g in 20 to 30 litres at room temperature. For colder fermentation at 11–15°C, use 2 x 11.5g in 20 to 30 litres.










