Gli ingredienti della birra

Malto

http://e-malt.com/ Il mondo online riguardo al malto.

http://www.brupaks.com/ guida ai diversi tipi di malto.

http://www.brewingwithbriess.com/ non solo malti.

https://www.weyermann.de/en-gb/home/ la malteria di Bamberga

https://www.brewingwithbriess.com/ sito ricco di informazioni e ricette

Luppolo

http://www.hvg-germany.de/en

http://www.barthhaasgroup.com/

http://www.yakimachief.com/

http://www.hopsteiner.com/

Lievito

https://fermentis.com/en/#

https://omegayeast.com/

https://www.lallemandbrewing.com/en/canada/products/brewing-yeast/

https://mangrovejacks.com/collections/craft-series-yeasts

https://wyeastlab.com/

Acqua

https://www.brunwater.com/

Altro

http://braukaiser.com/wiki/index.php/Braukaiser.com sito molto interessante