100 IBUs Bottled Version: 108 IBUs, 10% Prepare to walk the plank to an Ale of overwhelming proportions. More hops & more malts than any land lubber can handle. After this experience...your tongue will be buckled. The I.B.U.’s (International Bitterness Units) are off the scale on this ale. Be forewarned, those with a timid palate, this is not a wee beer! Handcrafted in small batches for those sailing the seas in search of great ales.