1st Wort Hop

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1st Wort Hop

Postby Kerth » Tue Jan 27, 2015 7:35 pm

How does everyone calculate first wort hops % utilization? I'm working up my info for the Centennial Beer Fest.
Thanks Kerth
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Re: 1st Wort Hop

Postby Kerth » Tue Jan 27, 2015 7:37 pm

Only 5 days left for pre-sale ticks.
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Re: 1st Wort Hop

Postby Kerth » Tue Jan 27, 2015 8:05 pm

Does anyone add IBU's for Dry hopping?
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Re: 1st Wort Hop

Postby siwelwerd » Tue Jan 27, 2015 8:32 pm

Kerth wrote:Does anyone add IBU's for Dry hopping?


No, the alpha acids have to be isomerized to contribute any significant bitterness. Unless you are pasteurizing or otherwise heating the beer up after dry hopping, count the dry hops as 0.

I've heard some people calculate their FWH the same as a 20 minute addition, but I'm not sure they have sound reasoning.
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Re: 1st Wort Hop

Postby robininski » Wed Jan 28, 2015 11:42 am

We have used 90 mins. with the Beer Smith software, and that seems pretty close.
But the software also has the variations to indicate FirstWort, Boil, whirlpool, and dry hop (which adds zero IBUs)
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Re: 1st Wort Hop

Postby turkeyjerky214 » Wed Jan 28, 2015 2:18 pm

Are the IBU's from first wort hopping affected by sparge time? I haven't really ever looked into FWH, but I was under the impression you throw them in the kettle right when you start sparging. So I always assumed that you'd get different utilization based on sparge time and how quickly you get to a boil after the sparge.
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Re: 1st Wort Hop

Postby robininski » Wed Jan 28, 2015 6:17 pm

You are exactly right, that is what I have found. 90 min seams to cover all. You will not get more IBUs, but the flavor is always there & "smooth"
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Re: 1st Wort Hop

Postby rsc3da » Mon Feb 09, 2015 7:49 pm

I have done both as a 20 minute addition and as a 90 minute addition when calculating IBU's in some recipes. I can tell you that the bitterness contributed is definitely more than a 20 minute kettle addition, which is what I expected. but the bitterness comes across differently than if you did a 90 minute kettle addition with the same hops, so you will get a flavor that is comparable to a 20 minute kettle addition. I'd calculate the bitterness as 90 minute but also take into consideration you will also get a flavor contribution in the finished beer that is somewhat comparable to a 20 minute addition in the kettle.
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Re: 1st Wort Hop

Postby StLBeer » Tue Feb 10, 2015 6:00 pm

I would also wager that recirculating your wort vs not would also increase the IBU's.

Sounds like an experiment waiting to happen.
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Re: 1st Wort Hop

Postby linda00145 » Wed Oct 07, 2015 1:20 am

Kerth wrote:Only 5 days left for pre-sale ticks.


Opps shit i missed the sale. I want to be part of next one. Can you help me?
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