Originally Posted by cavman22
I am going to brew this next week. I am an extract brewer. The centennials I bought
Are 11.6 and the cascades are 8.0. When I pit in beer smih I am way over on IBU's. I put 3lbs boil 3lbs late addition with 2.5 gallon fermenter top off. Can anyone give some advice?
Either adjust the amounts of hops during the first half hour of the boil down until you get the right IBU, or try boiling all of your extract for the full hour. One of these two solutions should get you to the right bitterness. I would do the first.