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AHA Guideline

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Imperial or Double India Pale Ale

Imperial or Double India Pale Ales are gold to chestnut red/brown. Chill haze is allowable at cold temperatures and hop haze is allowable at any temperature. Hop aroma is very high. Hop aroma should be fresh and lively, from any variety of hops. Malt character is medium to high. Hop flavor is very high, and should be fresh and lively and should not be harsh in quality, deriving from any variety of hops. Hop bitterness is very high but not harsh. Alcohol content is medium-high to high and notably evident. Fruity ester flavor is high. Diacetyl should not be perceived. The intention of this style of beer is to exhibit the fresh and bright character of hops. Oxidative character and aged character should not be present. Body is medium-high to full.


  • Original Gravity (┬░Plato) 1.075 - 1.100 (18.2 - 23.7)
  • Apparent Extract/Final Gravity (┬░Plato) 1.012 - 1.020 (3.1 - 5.1)
  • Alcohol by Weight (Volume) 6.00% - 8.40% (7.60% - 10.60%)
  • Bitterness (IBU) (65 - 100)
  • Color SRM (EBC) 5 - 16 (10 - 32)