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Fermentis SafAle US-05 Ale Yeast: Home Beer Brewing
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Fermentis SafAle US-05 Ale Yeast

Model number: BY-US05
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Fermentis SafAle US-05 Ale Yeast (11.5 grams) is the most famous ale yeast strain found across America, now available as a ready-to-pitch dry yeast. Produces well balanced beers with low diacetyl and a very clean, crisp end palate. Sedimentation is low to medium. Final gravity is medium. Name changed from US-56.

Fermentation Temperature:

12-25C (53.6-77F) ideally 15-20C (59-68F)


Dosage Instructions:

50 to 80 g/hl

Rehydration Instructions:

Method 1:

  • Sprinkle the yeast in minimum 10 times its weight of sterile water or wort at 27° c ± 3°C (80°F ± 6°F).
  • Leave to rest 15 to 30 minutes.
  • Gently stir for 30 minutes, and pitch the resultant cream into the fermentation vessel.

Method 2:

  • Pitch the yeast directly in the fermentation vessel providing the temperature of the wort is above 20°C (68°F).
  • Progressively sprinkle the dry yeast into the wort ensuring the yeast covers all the surface of wort available in order to avoid clumps.
  • Leave for 30 minutes, then mix the wort using aeration or by wort addition.


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