[Wort-H.O.G.]

The only positive I found with mash hopping was the lovely aromas during mashing. It all disappeared in the boil and ferment. Still the garage was heavenly...

  yep
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[mblanks2]

As far as the IBU contribution differences in FWH and 60 minute additions I can't say what the real numbers are. I can say that my perception of the bitterness of the two is that FWH is a smoother bitterness.

[denny]

As far as the IBU contribution differences in FWH and 60 minute additions I can't say what the real numbers are. I can say that my perception of the bitterness of the two is that FWH is a smoother bitterness.

I can say becasue I've had beers analyzed in a lab.  FWH came out to about 10% more measured IBU, but in general didn't taste like it.

[morticaixavier]

As far as the IBU contribution differences in FWH and 60 minute additions I can't say what the real numbers are. I can say that my perception of the bitterness of the two is that FWH is a smoother bitterness.

I can say becasue I've had beers analyzed in a lab.  FWH came out to about 10% more measured IBU, but in general didn't taste like it.

My club did a blind tasting of a variety of different hopping schedules/methods. I was surprised actually because blind, I rated the FWH beer as slightly more bitter and slightly harsher than the normal 60 minute addition. I would agree with the 10% more bitter figure your lab analysis found.

[Black Sands Brewery & Supply]

My impression from FWH a couple hundred batches is that as long as the hops are in there for 15 min., there isn't a lot of change after that.  I feel like any flavor or bitterness you get from them kind if plateaus at that point.  No scientific data, just my impression.

Gotchya.  Thanks Denny.  15min. minimum w/ little change after that.

Anyone w/ a different point of view?

+1. We FWH a lot of our pale ale ales and IPAs usually adding the hops when the kettle is about 1/2 full. It's about another 15-20 min from there til the kettle is full. We kick the heat on when about 3/4 full.  Galena tends to give us a fairly powerful lingering bitterness.