View Larger Image Dogfish Head 90 Minute IPA What you have here is an Imperial India Pale Ale featuring a single, constant 90-minute hop addition. It’s balanced by a ridiculous amount of English Two-row Barley. Then we dry-hop it in every tank. By American Craft Beer|2025-06-15T20:47:10-04:00November 2nd, 2012| Share This Event Info! FacebookXRedditLinkedInWhatsAppPinterest