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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Can 48qt. coolers handle a 10gallon batch grain bill?




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Old 06-22-2009, 03:59 PM   #1
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Default Can 48qt. coolers handle a 10gallon batch grain bill?

I have a standard 48 qt. ice chest/cooler which I use for a MLT. Also I batch sparge, not fly sparge.

I did a search and didn't find anything right off... so I'll ask

Has any one made a 10 gallon batch from this size of MLT? I imagine it would be pushing the limits of the cooler. Granted this would depend on the grain bill. I am interested in trying a larger batch since I now have two primary's available and wonder if I have the capacity for the mash?

Cheers!



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Old 06-22-2009, 04:05 PM   #2
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You should be able to, but it will depend on your efficiency and the planned original gravity of the beer you're making.

Check out this thread.

Brian



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Old 06-22-2009, 04:36 PM   #3
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I am gona say yes since I just did around 25 lbs of grain in my 10 gallon rubber maid cooler. Was it close? yes very but I was able to to it and I feel like thats more than the average 10 gallon grain bill.

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Old 06-22-2009, 05:05 PM   #4
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Thanks for the input, my typical grain bill is about 11lbs / 5 gallon batch. So if you managed to get 25lbs of grain I should be ok. I was hoping to mash around 1.75 to 2 qt's per lb.

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Old 06-22-2009, 05:17 PM   #5
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Quote:
Originally Posted by IXVolt View Post
Thanks for the input, my typical grain bill is about 11lbs / 5 gallon batch. So if you managed to get 25lbs of grain I should be ok. I was hoping to mash around 1.75 to 2 qt's per lb.
So that's 38.5- 44 quarts of water for your mash, plus the 22 lbs of grain you're using, all in a 48 quart cooler. Sounds like trouble. If I were you, I'd mash a bit thicker (~1.25 quarts per lb.). That gives you 27.5 quarts of water, leaving a more reasonable amount of room for the grains, which you'll need to stir as well. You should be able to do this with no problem, but I think you'd be best off mashing thicker.
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Old 06-22-2009, 05:32 PM   #6
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Another great resource...you're looking for the CAN I MASH IT calculator.
Green Bay Rackers--Mash Calculators

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Old 06-22-2009, 05:37 PM   #7
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I've mashed 15lbs in my Igloo icecube which I think is 48qt. I didn't have a very good efficiency but I am not sure that is related to my mash tun, I suspected it was poor conversion and that I was batch sparging.

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Old 06-22-2009, 05:59 PM   #8
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I've done 15lbs in my 48 qt with a lot of room to spare. I was going to try a 10 gal batch this weekend with a 26lb grain bill. At 1.25 qt per lb I think I should be able to handle it. It's going to be a long slow sparge though.

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Old 06-22-2009, 06:50 PM   #9
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Yes. Might need to skip the mashout water, though.

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Old 06-22-2009, 06:55 PM   #10
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Quote:
Originally Posted by Kilted Brewer View Post
Another great resource...you're looking for the CAN I MASH IT calculator.
Green Bay Rackers--Mash Calculators

Watch it

That calculator doesnt take into account the space a coolers lid has.
The cooler manufacturers do


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