What does a 90 minute boil do that a 60 minute one doesn't? - Home Brew Forums

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Old 12-09-2010, 05:03 AM   #1
thrstyunderwater
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Besides losing more moisture, what happens in a 90 minute boil that won't happen in a 60? Is it completely necessary to boil the full 90 minutes?

 
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Old 12-09-2010, 05:07 AM   #2
sunblock
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extracts 1/3 more IBU's from the hops that were pitched at 90 .. if you are copying a recipe I would stick with the 90 min. The longer the hops boil the more bitterness they contribute to the finished beer. You could just pitch more hops at 60 min and make a similar beer though.
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Old 12-09-2010, 05:15 AM   #3
thrstyunderwater
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The recipe has me boil for the first 30 minutes without hops. Should/can I obit this first 30 min?

 
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Old 12-09-2010, 05:18 AM   #4
sunblock
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do you have a link to the recipe ? Is it just wanting you to boil plain water for 30 min before adding anything? I cant think of any reason to do that.
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Old 12-09-2010, 05:18 AM   #5
Skaggz
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Quote:
Originally Posted by thrstyunderwater
The recipe has me boil for the first 30 minutes without hops. Should/can I obit this first 30 min?
Does the recipe contain pilsner malt? Sometimes a longer boil, without a longer hop schedule, is recommended to remove excess DMS from the wort.
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Old 12-09-2010, 05:21 AM   #6
thrstyunderwater
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Nope all grain. American 2 row, crystal and Munich. Can I cut out 3 min?

http://www.brewmorebeer.com/pumpkin-ale/

 
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Old 12-09-2010, 05:28 AM   #7
schweaty
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You get the devlopment of flavor compounds called melanoidins. The wort will also get darker the longer you boil.

 
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Old 12-09-2010, 05:29 AM   #8
thrstyunderwater
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Fine I'll do it right.

 
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Old 12-09-2010, 05:31 AM   #9
Skaggz
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I have no experience with canned pumpkin. But, it appears that the pumpkin is the reason that the 90 minute boil is required.

I had a theory, but this IPA has prevented me from putting it into coherent words and I lost my train of thought. Beer 1, Me 0
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Old 12-09-2010, 05:36 AM   #10
Kirbster
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90 minute boils give you time enough to clean the mash tun and catch a quick nap on the couch with the dog in my experience.

 
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