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Old 07-17-2010, 02:22 PM   #1
TheWeeb's Avatar
May 2010
Denver, Colorado
Posts: 1,125
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Does anyone have any experience using the bag-in-a-box system or the 5 gallon plastic collapsible containers for long-term conditioning? I have both my glass carboys tied up as "secondaries" for 3 and 6 months and would like to free them up for more pipeline brew.

The cost of a new carboy is around $35, a heavyweight plastic container only $6; bag in a box less than half that. It seems to me, that with long-term aging headspace is not required, and the ability to remove all air from the top of the brew would be desirable to minimize any chance of oxidation. I would think you could leave a bit of expansion left in the container just in case there was any outgassing of CO2.

The winemaking industry has been using these for years; I have even found bag in a box setups of 250 gallons for "storage and conditioning for up to a year."

Thoughts? Pros and Cons?

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Old 07-17-2010, 02:54 PM   #2
bmckee56's Avatar
Sep 2008
Coraopolis, PA (Near Pittsburgh)
Posts: 912
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I have used the bags used in the wine kits for temporary storage of wine, but never beer. I am sure it would work temporarily, but I would not go for long term storage as most plastic even when called o2 resistant will allow some o2 leakage which will cause oxidation.

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Old 07-17-2010, 03:29 PM   #3
david_42's Avatar
Oct 2005
Oak Grove, Oregon, USA
Posts: 25,599
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Even at $20-25 each, a cornie is my conditioning container of choice. Wine doesn't get light-struck, stainless steel is opaque.

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