Eisbock

Eisbock is a very alcoholic, full bodied malty beer in the bock tradition. Eisbock is traditionally made by freezing Bock or Doppelbock and then removing the blocks of icy water that form to concentrate alcohol and flavor.

History

A specialty brewed by Kulmbach by freezing a doppelbock and removing the ice to concentrate the flavor and alcohol content. Eisbock has its roots in Doppelbock and the bock tradition.

Description

Full bodied, very malty beer. Malt and alcohol dominate. No hop aroma or flavor. No fruitiness, ester and diacytl. Amber to dark brown in color. Low head retention. Low to moderate carbonation. Strongest of all bocks. Very malty.

Characteristics

• Color Range: 18.0-35.0 SRM
• Original Gravity Range: 1.078-1.120 SG
• Final Gravity Range: 1.020-1.040 SG
• Bitterness Range: 25.0-40.0 IBU
• Alcohol by Volume Range: 9.0-15.0 %
• Carbonation Range: 2.2-2.6 vols
• BJCP Style Number: 5 D

Ingredients

• Pale lager malts
• Munich and Vienna malts to achieve desired color
• Very little dark malts in dark versions only
• German noble hops for bittering only
• German lager yeast
• Concentrated 7-33%.

Examples

• Kulmbacher Reichbrau Eisbock, Niagara Eisbock, Southampton Eisbock

See Also

• Styles