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Old 04-01-2007, 08:25 AM   #1
AleHole
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Default 60 vs 90 minute boils

Do you typically run a 60 minute boil or a 90 minute boil, or "depends"? What beers do you make with each? What are the pros and cons to each boil time as you understand them?

Hoping to gain a little insight.

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Old 04-01-2007, 08:48 AM   #2
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There are several reasons for a boil and the boil time.

  • Hop utilisation.
  • Driving off unwanted volatile compounds
  • Concentrating the wort to increase the gravity.
  • Coagulating proteins to help clear the beer.
  • It also gives us the chance to play with burners and pots and stuff. (My favourite reason)
60 to 90 minutes allows all of these to happen at a rate that is easy to achieve and is reasonably economical on time and energy.
I go for 60 minutes because I like to reduce my brewing time if I can. I can also get the reduction in wort that I need in that time scale.
If you need to reduce more or do not have a set up that can manage the requirement that you need then go for 90 minutes.

As always in brewing there is rarely a definitive "right" or "best" way. It depends on the equipment, the recipe and most of all. How the brewer wants to do it.

Have you noticed that on asking a question about brewing you are more likely to get an opinion than and answer.
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Old 04-01-2007, 09:51 AM   #3
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I use a 90 minute boil for larger IPA (much of what I brew). It allows more runoff time (get those last few sugars out of the grain) and significantly increased hop utilization.

There's little point unless you're into beers that're >1.070 or so unless you're going for the extra IBUs. (Ok, so that was kinda arbitrary, but its seemed to work well for me)

-D

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Old 04-01-2007, 09:52 AM   #4
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I have noticed that. The question I believe is geared more toward an opiniated answer anyhow. I usually end up boiling for about 75 minutes or so because I don't start the 60 minute countdown till after the hotbreak settles down a bit.

When you say hop utilization I assume this means more hop profile from what hops are added during the boil?

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Old 04-01-2007, 10:09 AM   #5
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I usually boil for 10 minutes before starting my 60 minute hop additions to start a good hot break and I add 20 extra minutes to my bittering time when using a pils malt.

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Old 04-01-2007, 02:11 PM   #6
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I try to keep my boils to 60 minutes but when I do a big AG batch I end up with a lot of wort that has to be boiled down. For those batches I end up doing 90 minute boils or more. I always start my hop additions at 60 minutes remaining.

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Old 04-01-2007, 02:29 PM   #7
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Ok, this might be redundant and far too obvious to be brought up, but I'll put it out there anyways...

So when do you fellas consider the boil has begun? Does everyone agree the boil time starts when the pot boils? Or when the pot goes on burner?

I don't start counting boil time until there is a vigorous boil going.

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Old 04-01-2007, 02:30 PM   #8
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I count after the hot break. That's when I throw the hops in, usually. I almost always do 60 minute boils.

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Old 04-01-2007, 02:43 PM   #9
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Quote:
Originally Posted by Yooper Chick
I count after the hot break. That's when I throw the hops in, usually. I almost always do 60 minute boils.
Ditto.

Unless I FWH
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Old 04-01-2007, 03:05 PM   #10
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Quote:
Originally Posted by orfy

Have you noticed that on asking a question about brewing you are more likely to get an opinion than and answer.


Yup, and that opinion is always the ONLY way to do it!


Well, that's my opinion, anyway......




BTW i'm guilty of that too.......
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