Fermentis SafAle S-33 is a fruity ale strain that promotes body and mouthfeel. It suits Belgian blond, dubbel, tripel and quadrupel styles, strong English ales, imperial stouts and hop-forward hazy beers.
Fermentation guidance
- Pack size: 11.5g
- Supplier dosage: 50–80g per hectolitre
- Ideal fermentation temperature: 18–26°C
- Sedimentation: medium, with a powdery haze when resuspended
Pitch directly or rehydrate according to the supplier directions. Match the pitch quantity to the wort volume and gravity rather than assuming one sachet is sufficient for every batch.
Compare Fermentis ale yeast strains
Yeast choice changes attenuation, sedimentation and flavour expression. Match the strain to the beer style and fermentation character you want, then follow the current sachet’s pitching-rate and temperature guidance.
- SafAle BE-134 – highly attenuative Saison strain with fruity and spicy clove character.
- SafAle K-97 – German ale strain with low esters, high attenuation and slow sedimentation.
- SafAle S-04 – fast English ale strain with balanced fruit and rapid sedimentation.
- SafAle US-05 – clean American ale strain that leaves malt and hops prominent.
- Safbrew BE-256 – rapid abbey-style strain for strong beers with balanced aroma.
Important: Yeast strains are not interchangeable. Use the pitching rate, temperature and handling directions for the exact sachet and recipe.




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