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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Mash tun size and grain bill
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Old 08-09-2012, 01:20 AM   #1
Wild Duk
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Default Mash tun size and grain bill

I have a 10 gallon round Rubbermaid mash tun. Think I can fit 16 ish pounds of grain and 7+ gallons of water. I'm not sure how to brew this batch if I can't.


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Old 08-09-2012, 01:55 AM   #2
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http://www.rackers.org/calcs.shtml Nice calculator, use can I mash It?


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Old 08-09-2012, 02:03 AM   #3
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I have a 10 gallon igloo cooler that I use. I used it without problem for a IIPA earlier this year. I believe the grain bill was around 18lbs give or take.
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Old 08-09-2012, 02:05 AM   #4
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25 pounds is about max for a 10 gallon mashtun
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Old 08-09-2012, 02:40 AM   #5
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I haven't done it yet, but BeerSmith says I should be able to fit a 21 lbs grain bill in a 10 gallon cooler at 1.25 qt/lb with half a gallon to spare.
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Old 08-09-2012, 12:13 PM   #6
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Quote:
Originally Posted by gandalfiii
I have a 10 gallon igloo cooler that I use. I used it without problem for a IIPA earlier this year. I believe the grain bill was around 18lbs give or take.
Do you remember how much water u used??? 1.5. 1.25 qts/pound...

Thx
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Old 08-09-2012, 12:17 PM   #7
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Quote:
Originally Posted by Wild Duk View Post
Do you remember how much water u used??? 1.5. 1.25 qts/pound...

Thx
I usually do 1.4qt of water to 1lb of grain so if I'm doing my math correctly(I just woke up) it would've been around 6.3 gallons.
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Old 08-09-2012, 12:24 PM   #8
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yep... me too and I fugure around 17 to be safe. 11 Gallon Batch. Single infusion and Mash-Out.

For "Smaller" beers... and smaller batches (5 Gallon) I can do "stepped" infusions.

I go to Tastybrew and plug in the numbers in their Infusion Calculator...

I am actually going to do a 20.5 pound 11 Gallon batch of Hefe-Wiesen in my 10 Gallon cooler with mutiple rests but to do so;

I am doing three infusions and two decoctions...

It is the only way I will be able to fit enough water in it to do a Mash-Out.

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Old 08-09-2012, 12:28 PM   #9
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Quote:
Originally Posted by SleepyCreekBrews View Post
25 pounds is about max for a 10 gallon mashtun
How do you do a mash out with this much grain?

I ask because your numbers a bit higher than mine and other folks who have commented...
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Old 08-09-2012, 12:35 PM   #10
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Quote:
Originally Posted by SleepyCreekBrews View Post
25 pounds is about max for a 10 gallon mashtun
How do you do a mash out with this much grain?

I ask because your numbers a bit higher than mine and other folks who have commented...


UPDATE: I had not considered water to grain ratio when I asked the first time. I was reviewing other posts again when I picked that up

.. I usually shoot for 1:1.5...

YA!!! so "Mr. Poster" had we all had our coffee... all of us would have included our water to grain ratio instead of just a weight

... you will need to take that into account, style of beer and mashing method... Infusion, Decoction, HERMS/RIMS

I have used "Palmer" as a reference and sort-a have stayed at 1:1.5...


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