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Old 06-06-2008, 02:43 PM   #1
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Default Choice of secondary fermenter...

I have read in the forum that most people prefer glass carboys for secondaries over plastic buckets. Is the preference due to the headspace factor? Would a plastic, food grade, container with little or no headspace be as effective?

Thanks in advance for your thougths.


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Old 06-06-2008, 02:55 PM   #2
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Headspace is one consideration when choosing a vessel for secondary. The other big factor is oxygen permeability of the material. Most plastics will, over time allow oxygen to enter through the material.

Better bottles are made of a type of plastic that allows very little oxygen penetration. Using food grade buckets would be just fine for short term secondaries (1-2months) but for longer terms I'd go with a better bottle or glass.

That being said, I don't know that anyone has legitimately done a long term study of using a different plastic to secondary in. Just the fact that you might sacrifice 5-gal of beer is enough to keep me from trying.


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