SafAle US-05 is a versatile American ale yeast that produces clean, well-balanced beer with low flavour interference, allowing malt and hops to remain prominent. It suits American pale ales, IPAs, stouts and many other neutral-fermentation ale styles.
Fermentation guidance
Fermentis recommends 50–80g per hectolitre and an ideal fermentation range of 18–26°C. For typical home-brew batches, pitch the sachet directly over the wort at fermentation temperature, distributing it evenly across the surface.
US-05 has a relatively neutral sensory profile and tends to remain in suspension longer than highly flocculent English strains. Allow adequate conditioning time before packaging.
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 S-33 – fruity ale strain promoting body and mouthfeel in Belgian, strong and hazy styles.
- 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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