fermentation mode
Top fermentation
Warm fermentation with ale yeast that collects at the surface, producing beer with pronounced yeast-derived fruit and spice.
The full record
Top fermentation has its own catalogue entry with the detail this page summarises — mechanism, temperatures and what goes wrong.
Top fermentation — Ferment warm with Saccharomyces cerevisiae, producing the ester and phenol character that distinguishes ales from lagers.
Behaviour
| Fermentation temperature | 16–24°C |
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