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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > RIS in a 6 Gallon Carboy
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Old 07-14-2012, 02:16 AM   #1
DTBird
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Default RIS in a 6 Gallon Carboy

Next Saturday I will be brewing NB's imperial stout. Which is a 14 pounds extract with 1.5 pound specialty grains. I dont really wanna do a blowoff so i am asking if you think doing a 5 gallon batch in a 6 gallon carboy with airlock will be good enough? Or will i absolutely need a blowoff?


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Old 07-14-2012, 02:28 AM   #2
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What yeast are you using?

I will be brewing that kit for the first time in 3 weeks. By everything I have read, I am worried about a blowoff in my bucket (7 gallon). I plan on doing the blowoff tube just to be safe, one of those better safe than sorry situations.

But maybe someone with experience with that kit can give us more info.


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Old 07-14-2012, 02:40 AM   #3
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Here is a photo of my last RIS in a 6 gallon Better-Bottle! It speaks for itself! This also had the recommended dosage of foam control drops! Suffice it to say, you'll need a blow off tube.

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Old 07-14-2012, 03:39 AM   #4
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I bet wrapping some tin foil around the tube one the blowoff vessel would be a good way to harvest some yeast,,,
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Old 07-14-2012, 03:45 AM   #5
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Quote:
Originally Posted by squeekybobo
I bet wrapping some tin foil around the tube one the blowoff vessel would be a good way to harvest some yeast,,,
That RIS above puked out so much liquid, trub and yeast that it started fermenting in my sanitizer filled blow off vessel!
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Old 07-14-2012, 07:40 AM   #6
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Quote:
Originally Posted by johnsma22
Here is a photo of my last RIS in a 6 gallon Better-Bottle! It speaks for itself! This also had the recommended dosage of foam control drops! Suffice it to say, you'll need a blow off tube.
That picture is getting me all hot and bothered. Im planning my first RIS, thanks for the advice
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Old 07-14-2012, 01:22 PM   #7
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I am using Wyeast 1728. Thanks for the advice everyone. I will for sure use a blowoff assembly.

Now for my second question. I will be letting it sit on secondary for about 6 months. With a beer that big will I need to repitch yeast before bottling for optimum carb?
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Old 07-14-2012, 04:49 PM   #8
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At 6 months you should be fine with the original yeast. Might take a couple of months to fully carb.
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Old 07-14-2012, 04:59 PM   #9
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Quote:
Originally Posted by DTBird View Post
I am using Wyeast 1728. Thanks for the advice everyone. I will for sure use a blowoff assembly.

Now for my second question. I will be letting it sit on secondary for about 6 months. With a beer that big will I need to repitch yeast before bottling for optimum carb?
I would add more yeast. I let a barleywine sit for 6 months and it never carbed.
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Old 07-16-2012, 05:26 AM   #10
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I did NB's RIS extract kit using two packets of S-04 and we def could have used a blow off tube. We had wort through the airlock. I did however do AHB's Old Rasputin Clone using 18.5# of grain and US-05 and I did not need a blow off tube. The krausen did come almost to the top but it was not needed. Both were 5 gallon batches.


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