http://barclayperkins.blogspot.com/2008/02/danziger-joppenbier.html
"Danziger Joppenbier.
Joppenbier is in many respects very interesting. It is made from a highly concentrated wort - the Saccharometer degree is about 49 percent.
From 1000 Kg malt and 5 Kg hops approximately 10.5 HL beer is produced.
The mash is made by the infusion method and the ( Read more... )

http://barclayperkins.blogspot.com/2014/06/danziger-jopenbier-again.html
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