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Author Topic: Fermenting in Corny Kegs  (Read 4469 times)

Offline allenhuerta

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Re: Fermenting in Corny Kegs
« Reply #15 on: August 20, 2020, 03:18:56 pm »
They arrived today!!! Step 1!

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Offline narcout

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Re: Fermenting in Corny Kegs
« Reply #16 on: August 20, 2020, 03:38:44 pm »
Question 4: Do I need to do anything fancy to cold crash? I have a CO2 collection device that I use and connect when I crash in my carboy.. I could just disconnect my out and not worry at all.. right? Or would that lead to issues..

You can just disconnect everything and cold crash, but remember there will be a small vacuum in the keg afterwards.  That could cause you an issue if you forget about it and do something like attach a disconnect (would suck in a bunch of air).  Alternatively, you can pump in some CO2 so that it's under pressure prior to cold crashing.
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Offline chinaski

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Re: Fermenting in Corny Kegs
« Reply #17 on: August 20, 2020, 06:26:44 pm »
I've started fermenting in 5 gallon cornies and will do that exclusively after the last "beware of carboys breaking" post.  I recommend not cutting tubes or limiting batch size too much until you see how it goes for you.  So far, all I do is make the typical 5 gallon batch size, put it into a regular 5 gallon corny with the standard dip tube and a replacement lid with a hole in it for blow off.  I rack to a serving keg with a jumper hose- one end has a threaded fitting for the liquid ball lock fitting.  I unthread the ball lock fitting and blow out any trub and yeast until I get beer, then stop and re-thread the fitting on to complete the transfer to the serving keg.  Works great and I didn't modify anything.

Offline erockrph

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Re: Fermenting in Corny Kegs
« Reply #18 on: August 20, 2020, 08:11:53 pm »
Question 4: Do I need to do anything fancy to cold crash? I have a CO2 collection device that I use and connect when I crash in my carboy.. I could just disconnect my out and not worry at all.. right? Or would that lead to issues..

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I usually set my pressure relief valve to allow a bit of pressure to build up at the end of fermentation. I don't fully spund to serving pressure, but its enough to buffer a cold crash and it's also a jump start on the carbonation process.

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Offline allenhuerta

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Re: Fermenting in Corny Kegs
« Reply #19 on: August 21, 2020, 08:38:23 pm »
Question 4: Do I need to do anything fancy to cold crash? I have a CO2 collection device that I use and connect when I crash in my carboy.. I could just disconnect my out and not worry at all.. right? Or would that lead to issues..

You can just disconnect everything and cold crash, but remember there will be a small vacuum in the keg afterwards.  That could cause you an issue if you forget about it and do something like attach a disconnect (would suck in a bunch of air).  Alternatively, you can pump in some CO2 so that it's under pressure prior to cold crashing.
Thanks for the tip! I didn't think about connections post.

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Offline allenhuerta

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Re: Fermenting in Corny Kegs
« Reply #20 on: August 21, 2020, 08:39:06 pm »
I've started fermenting in 5 gallon cornies and will do that exclusively after the last "beware of carboys breaking" post.  I recommend not cutting tubes or limiting batch size too much until you see how it goes for you.  So far, all I do is make the typical 5 gallon batch size, put it into a regular 5 gallon corny with the standard dip tube and a replacement lid with a hole in it for blow off.  I rack to a serving keg with a jumper hose- one end has a threaded fitting for the liquid ball lock fitting.  I unthread the ball lock fitting and blow out any trub and yeast until I get beer, then stop and re-thread the fitting on to complete the transfer to the serving keg.  Works great and I didn't modify anything.
Do you know how much yeast/trub is in the keg approximately?

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Offline chinaski

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Re: Fermenting in Corny Kegs
« Reply #21 on: August 23, 2020, 09:52:44 am »
I usually run about a quart of yeast/trub slurry off before I start transferring to my serving keg.  There is usually more (the stickiest most solid portion) that stays at the bottom of the fermentation keg as well.

Offline allenhuerta

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Re: Fermenting in Corny Kegs
« Reply #22 on: August 27, 2020, 11:05:39 am »


I like the idea of a floating dip tube.  Do you install it prior the start of fermentation or wait until the end?  I wondered about Krausen if installed in the beginning, but more oxygen if installed right before transfer.

Looking for thoughts on this. Saw some on MoreBeer for $18 but wondering if there is an issue with them being in during fermentation

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Offline ynotbrusum

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Re: Fermenting in Corny Kegs
« Reply #23 on: August 27, 2020, 02:32:33 pm »
I have not had any problems with the floating dip tube approach - I have it in the fermenter all the way through to racking.  I use a kegmenter, so fermenter shape may make a difference - mine is shaped like a commercial keg, but is somewhere in the neighborhood of 14 gallons, IIRC.  The model of dip tube is Clear Draught - but I would think any would work pretty well.  The stainless ball float gets coated with krausen, but the pickup is below that, so it remains relatively clean through the racking.
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Offline BrewBama

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Re: Fermenting in Corny Kegs
« Reply #24 on: August 27, 2020, 02:37:24 pm »


I like the idea of a floating dip tube.  Do you install it prior the start of fermentation or wait until the end?  I wondered about Krausen if installed in the beginning, but more oxygen if installed right before transfer.

Looking for thoughts on this. Saw some on MoreBeer for $18 but wondering if there is an issue with them being in during fermentation

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I caution you on using the floating dip tube from MoreBeer. I was not impressed. YMMV


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Offline allenhuerta

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Re: Fermenting in Corny Kegs
« Reply #25 on: August 27, 2020, 03:38:05 pm »


I like the idea of a floating dip tube.  Do you install it prior the start of fermentation or wait until the end?  I wondered about Krausen if installed in the beginning, but more oxygen if installed right before transfer.

Looking for thoughts on this. Saw some on MoreBeer for $18 but wondering if there is an issue with them being in during fermentation

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I caution you on using the floating dip tube from MoreBeer. I was not impressed. YMMV


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What happened with it? The TurboKeg one, yeah? My favorite part about it was the price lol but depending on potential issues I'm not opposed to looking around.

Thanks, @ynotbrusum !

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Offline BrewBama

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Re: Fermenting in Corny Kegs
« Reply #26 on: August 27, 2020, 03:43:58 pm »
I think the one I have is The Bouy. It seems to get hung up on the side.

I have seen folks at HBT add stainless washers to help weight it down but I have not done that so can’t vouch for it.


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Offline allenhuerta

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Re: Fermenting in Corny Kegs
« Reply #27 on: August 27, 2020, 05:02:05 pm »
I think the one I have is The Bouy. It seems to get hung up on the side.

I have seen folks at HBT add stainless washers to help weight it down but I have not done that so can’t vouch for it.


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https://www.morebeer.com/products/floating-dip-tube-1.html

Sounds like this one? That's what I was looking at anyway.

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Offline rob_f

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Re: Fermenting in Corny Kegs
« Reply #28 on: August 31, 2020, 01:51:47 pm »
I bought the Torpedo Keg Bouy from Morebeer.  The first time I used it was terrible with foam and venting CO2, but after that its been great.  The tube is coiled up in the package and took some time to relax.  I'd buy it again and probably will.
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Offline BrewBama

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Re: Fermenting in Corny Kegs
« Reply #29 on: August 31, 2020, 02:10:52 pm »
I bought the Torpedo Keg Bouy from Morebeer.  The first time I used it was terrible with foam and venting CO2, but after that its been great.  The tube is coiled up in the package and took some time to relax.  I'd buy it again and probably will.
Did you add any weight to it?  I am thinking of giving it another shot but my first several experiences were not good ones.


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