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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Effects of Extended Mash Time
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Old 10-25-2012, 03:18 PM   #1
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Default Effects of Extended Mash Time

I've got a busy weekend planned and am hoping to get a batch brewed as well. My plan is to start the mash on my lunch hour tomorrow and finish up after work, so the mash will be sitting for roughly 4 hours. Would there be any unwanted effects of the extended mash period?

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Old 10-25-2012, 03:25 PM   #2
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I haven't tried this myself, but have heard of others doing it without ill effect.

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Old 10-25-2012, 03:53 PM   #3
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From personal experience, the beer ends up with a little less body and higher alcohol, due to the exteded enzyme action on the long chain sugars and dextrins. It hasn't hurt it, but I can taste a difference in a one vs two hour mash for the same beer. I got the info from The Complete Joy of Homebrewing as to why it was different. Thanks Charlie P!

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Old 10-25-2012, 04:12 PM   #4
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that makes sense. Even after the conversion of starch to sugar is complete the Beta enzymes would continue to break the larger sugars down into something more fermentable.

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Old 10-25-2012, 06:27 PM   #5
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Check out this thread http://www.homebrewtalk.com/f36/over...y-cool-295579/

There's a lot of info for extended mashes here. Hope this helps!

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