Using Beersmith:
Original= 6.6lbs Pale Malt, Maris Otter [Boil for 60 min]
IBU = 98.1
Change:
3 lbs 4.8 oz Pale Malt, Maris Otter [Boil for 60 min]
3 lbs 4.8 oz Pale Malt, Maris Otter [Boil for 0 min]
IBU = 160.4
That is the ONLY change.
Why would my IBU go up?
Thanks!