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Old 02-15-2009, 05:48 PM   #1
Dec 2008
Menomonie, Wisconsin, Wisconsin!!
Posts: 187
Liked 1 Times on 1 Posts

My last 2 AG batches I have had problems raining the mash temp up to 170 with the mash out water. I have been using 200 degree water to try to raise the mash to 170 in prep for lautering and sparging. I started with a mash of 154 and it only raised to 158 with 1 gallon of 200 degree water. Should I use boiling water instead?

Thanks in advance

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Old 02-15-2009, 05:59 PM   #2
Apr 2007
western/central new york
Posts: 1,500
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I haven't used it myself but you could check out Green Bay Rackers--Mash Calculators
damn I gotta brew something

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Old 02-16-2009, 03:47 PM   #3
Jul 2006
Columbus, OH
Posts: 164
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On average, I generally my mash tun consists of about 12 pounds of grain with 4ish gallons of water at 152F. If I add 2 gallons of boiling water, it almost always brings it up to about 168-169F. It takes a lot of very hot water to raise the mash temperature even just a little bit.

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