To achieve these objects, fermentation is carried out by using a bottom beer yeast and a brewing yeast other than bottom beer yeasts.

The fermentation occurs in two stages, primary and secondary fermentation.

Some brewers separate fermentation into two phases: primary fermentation and secondary fermentation.

​Fermentation usually occurs in two stages, primary and secondary fermentation.

It is recommended that you separate fermentation into two steps: primary fermentation and secondary fermentation.

Fermentation happens in two phases: Primary Fermentation and Secondary Fermentation.

Fermentation lasts for 6 to 7 days with bottom-fermenting beer and 3 to 4 days with top-fermenting beer.

This has blurred the distinction between “top-fermentation” and “bottom-fermentation.

It is a bottom fermented beer with a golden colour.

It is a bottom fermented beer with a golden color.

Ales are top fermenting beers, while lagers are bottom-fermenting beers.

The key to the production of Amsterdam beers is dynamic fermentation, lasting between 7 and 10 days.

Ales are top-fermented beers, while lagers are bottom fermented beers.

Fermentation at low temperature to preserve the varietal aromas.

An ale is a type of beer which is created using top-fermenting yeasts, while a lager is produced using bottom-fermenting yeast.