BeerHQ is for adults

BeerHQ is intended for adults aged 18 and over, because it is about alcoholic drinks. Thank you for answering honestly.

You can close this tab.

BeerHQ

Glossary

Bottom fermentation

Cool fermentation with lager yeast, which settles to the base of the vessel rather than rising to the surface.

The full record

Bottom fermentation has its own catalogue entry with the detail this page summarises — causes, thresholds, related styles and evidence.

Bottom fermentation — Ferment cool with Saccharomyces pastorianus, suppressing yeast-derived fruit and spice so malt and hop character stand exposed.

Related

  • Lager — What it produces.
  • Lagering — The cold maturation that follows.

More vocabulary

Arrested fermentation · Barrel ageing · Batch sparging · Biotransformation · Blending · Bottle conditioning · Burtonisation · Cask conditioning · Centrifugation · Cold break

See every term on the glossary index.

Last reviewed 2026-08-16.

Can BeerHQ measure how this site is used?

BeerHQ would like to record which pages are read and which searches find nothing, so the writing can be improved. No personal details, no advertising, and no profile of you. What is recorded.