London Ale Brewing Yeast - Apex Cultures

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Apex Cultures London comes from England. London has a powerful fermentation capacity and ferments very quickly. The final aroma is predominantly neutral but slightly estery. London Ale achieves very high sedimentation towards the end of fermentation and is a good selection for any Irish, English, French or Belgian ale, as well as hop forward American brews.


  • Yeast: Saccharomyces Cerevisiae
  • Dry matter: 95%
  • Wild yeast: <103 cfu/g
  • Total bacteria: <102 cfu/ml Lacto bacteria: <10 cfu/ml


For homebrew use: Standard dosing is one packet per 5 gallons of wort. Sprinkle the yeast into the fermentation vessel directly onto the wort.

Rehydration (optional):

  • In sterile water at 82-86°F
  • Dissolve the yeast at 1:10 ratio
  • Let stand for 20 minutes.
  • Stir well for optimum yeast suspension
  • Cool slurry slowly wort temperature by incrementally your wort into the slurry
  • Add to fermenter


  • Fermentation kinetics: fast, 7 days at 64°F (18°C)
  • Fermentation temperature range: 61-75°F (16-24°C)
  • Apparent attenuation: 75%
  • Flocculation & sedimentation ability: high
  • Dosage recommendation: 11.5g per 5 gallons of wort Alcohol tolerance: 9.5%

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