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Old 01-17-2012, 04:29 PM   #1
seabeemech1970
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Aug 2011
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Ok a buddy and I are discussing if doing a 30 min boil would be alright. Is it neccessary to do a 60 min boil. I know in some cases you increase the time. Why is 60 minutes a standard boil time? Would 30 mins be alright?

 
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Old 01-17-2012, 04:42 PM   #2
badbrew
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Dec 2011
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If it is all extract, then it should be o.k. I believe the 60 minutes will rid toxins from the grains. Also it can affect hopping some as well.

 
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Old 01-17-2012, 04:44 PM   #3
Gunrunner
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Oct 2011
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I would do a search. There are a few threads on this. Lots of good info out there.
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Old 01-17-2012, 04:49 PM   #4
weirdboy
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60 minutes is preferred because you isomerize more alpha acids from the hops, which means you use less hops to bitter your beer.

Moreso for all-grain and partial mash brewers, a longer boil also helps get rid of the DMS that forms. In fact for pilsner malt-based beers, it is recommended to boil at least 90 minutes due to the increased levels of SMM (DMS precursor) found in pilsner malt.

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Old 01-17-2012, 05:25 PM   #5
NordeastBrewer77
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Quote:
Originally Posted by weirdboy View Post
60 minutes is preferred because you isomerize more alpha acids from the hops, which means you use less hops to bitter your beer.

Moreso for all-grain and partial mash brewers, a longer boil also helps get rid of the DMS that forms. In fact for pilsner malt-based beers, it is recommended to boil at least 90 minutes due to the increased levels of SMM (DMS precursor) found in pilsner malt.
^this^. longer boils are to get things like DMS out of the wort and to maximize the isomerization of the bittering hops.
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