Originally Posted by Barnstormer
Maybe Ill try a little of both. I'll use the 1gal per hour as a start and shoot for adding them at the end but if I have to continue boiling I'll just remove them and finish the boil. Thanks for the input.
Once the hops oils are isomerized, removing the hops debris won't do anything.
You can boil for 60 minutes or 90 minutes with very little difference in bitterness- you get the vast majority of the bittering of the hops in 60 minutes and boiling longer doesn't really do much.