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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Poll: What's your personal hottest mash temperature? Results?
View Poll Results: What's your personal hottest mash saccrification temperature?
151*F 0 0%
152*F 0 0%
153*F 1 2.38%
154*F 7 16.67%
155*F 3 7.14%
156*F 3 7.14%
157*F 2 4.76%
158*F 13 30.95%
159*F 2 4.76%
160*F+ 11 26.19%
Voters: 42. You may not vote on this poll

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Old 04-22-2013, 12:11 AM   #1
bigbeergeek
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Default Poll: What's your personal hottest mash temperature? Results?

I recently brewed a oatmeal stout and mashed at 159. OG: 1.055, FG: 1.020. Yeast was WLP002. The beer is still carbonating in the keg so results aren't in yet. What's you hottest mash temperature? What was the resulting beer like?

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Old 04-22-2013, 12:26 AM   #2
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I have hit 160 myself and have seen as high as 162 in a commercial environment, although that was not encouraged! We were triple batching into a ferm so the results of the 162 mashes are difficult to attest to (you might have temps of 148, 155 and 162 for instance). The 160s I have personally done have been about the same as 158, which is my personal target for most beers. I like my beers to be malty for the most part, but I will often mash that high with non malt forward beers as well and use a little less malt (similar profile, slightly more sessionable)

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Old 04-22-2013, 11:29 AM   #3
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I've done about 5 beers in a row at 158-160. Looking for something super sweet.

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Old 04-22-2013, 12:25 PM   #4
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Quote:
Originally Posted by Calichusetts View Post
I've done about 5 beers in a row at 158-160. Looking for something super sweet.
High saccharification temp does not necessarily mean more sweetness.

For instance, Lagunitas IPA is mashed at 160F and it's not too sweet.

By mashing high, you leave long chain sugars in the wort that are not metabolized by yeast and they contribute to the body/mouthfeel of beer but not necessarily sweetness.

My personal "high" is 158F (with a digital/calibrated thermometer) and the beer finished at 1.014 (from 1.081).
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Old 04-22-2013, 03:07 PM   #5
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Originally Posted by Andrikos View Post
High saccharification temp does not necessarily mean more sweetness.

For instance, Lagunitas IPA is mashed at 160F and it's not too sweet.

By mashing high, you leave long chain sugars in the wort that are not metabolized by yeast and they contribute to the body/mouthfeel of beer but not necessarily sweetness.

My personal "high" is 158F (with a digital/calibrated thermometer) and the beer finished at 1.014 (from 1.081).
Agreed...should have clarified...I was looking for the opposite of a thin/dry beer so I just went to the other extreme...full and sweet (caramel malts, etc)
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Old 04-22-2013, 06:32 PM   #6
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...I was surprised by how not sweet my outmeal stout turned out. Mashed at 159, FG of 1.020, but it's not all that sweet. Rich, velvety texture seems to be coming through as it carbonates, but not a worty/underattenuated sweetness.

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Old 04-22-2013, 06:53 PM   #7
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Done several step mashes where the last temperature rest (before mashout) was 160.

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Old 04-22-2013, 09:37 PM   #8
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I did a brett saison and mashed at 160. I was trying to leave some sugar for the brett and it worked out well.

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Old 04-22-2013, 09:41 PM   #9
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I do 158 every once in a while (usually on session beers to keep the body up). I've done 160 once. I've never gone higher (unless we're including mashout)

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Old 04-22-2013, 09:52 PM   #10
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I've done 158 a number of times, I make a goodly number of session beers though and find the higher temp mash makes for a fuller body.

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