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Old 04-03-2012, 10:36 AM   #1
jasonclick
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Default Is a 9 gallon brew kettle big enough?

I've done a few extract batches. Now I want to put together equip for all grain. I'm looking to buy a brew kettle now and I see more beer has the 9 gallon economy kettle with 2 ports on sale. Is a 9 gallon kettle large enough to do 5 gallon batches? I just hate to buy it if it's not going to be the right kettle. Thanks!



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Old 04-03-2012, 10:44 AM   #2
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I've done a few dozen batches in an 8 gallon pot. You should have no problems with it.



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Old 04-03-2012, 10:47 AM   #3
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IMHO, A 9 gallon kettle is plenty. The one I currently use is 9 gallons and I've never had any issues with it.

Figure this way, say your shooting for say 5.5 gallons in the fermenter. So theoretically your system boils a gallon off in an hour (this varies) and you need to boil for 90 minutes. You would start with 7 gallons in the kettle. This still would leave you with 2 gallons of head space. This IMO is a worse case scenario and you still have plenty of room.

hope this helps

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Old 04-03-2012, 11:08 AM   #4
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I was just thinking boil overs. The last extract I did was 1.5 gallons of liquid in a 6 gallon turkey pot and I had to keep removing it from the heat to prevent it from boiling over.

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Old 04-03-2012, 11:13 AM   #5
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I do full boils in a 7 1/2 gallon turkey frier all the time. If you are boiling over 1.5 in a 6 gal you might need less heat to maintain a boil

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Old 04-03-2012, 11:16 AM   #6
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For boil overs keep a spray bottle with water around and spray on the boil when it starts to boil over.

You can also buy fermcap and with a pipette just put a drop or two in the wort just before it reaches boil.

Hope this helps

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Old 04-03-2012, 12:15 PM   #7
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thanks for the help! I just purchased the 9 gallon kettle

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Old 04-03-2012, 12:34 PM   #8
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I brewed 2 batched last weekend in a 35 QT (8.75 gallon) saf-T cooker and aside from having to hit that bloody button it worked a dream. Brought 5.5 gallons to a raging boil in about 40 mins, which is a good amount of time for a period of steeping. Burns very little propane and cost $30!

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Old 04-04-2012, 01:40 PM   #9
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From what we hear from our customers it seems like the 9gal is a great size

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Old 04-04-2012, 02:32 PM   #10
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+1 for Fermcap. Just did an 8.5g boil in a 9g kettle with no issues.



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