In my short career in the home brew world I've always transferred the beer from the primary to bottle without a siphon (directly from the spigot). I've started to see that this made my beer darker and with unwanted components(oxidation). So I'm deciding now between an auto siphon or a CO2 cylinder and etc for a closed system. In that sense how the two compare to each other in terms of oxidation prevention? If possible a comparison in terms of percentage would be great, like a closed system offers 0% and an autosiphon 30% prevention (something like this). Does the expenditure on the cylinder and the needed gadgets really worth the investment? Tks!

  • Were you using a bottling wand or whatever it is called?
    – Mołot
    Dec 28, 2016 at 12:53
  • 2
    Are you sure your bottling is the culprit? Many people rack to a bottling bucket after primary, and bottle from that. The advantage here is that dead yest sludge can settle at the bottom of both buckets and does not get transferred.
    – Robert
    Dec 28, 2016 at 16:30
  • That sounds promising.. maybe is also because i've tried the beer through the spigot before ready several times. Will try to stop doing this and buy the autosiphon.
    – matt_zarro
    Dec 29, 2016 at 12:48
  • 1
    I don't see how an autosiphon and using the spigot will really be any different.
    – brewchez
    Jan 3, 2017 at 11:42

3 Answers 3


If you intend to get into kegging, then absolutely go for a CO2 setup. CO2 transfers are easy and kinda fun. If you're only doing this for moving the beer around, a CO2 cylinder and regulator are way too expensive and bulky.

Autosiphons work incredibly well. Coupled with a plastic clip to hold it in place in the bucket, plus a bottling wand on the siphon tip (valve in the tip that allows beer to flow when you push it against the bottom of a bottle), and you've got a super easy and cheap bottling setup. You'll need only one hand to hold the bottling wand, and have a hand free to hold and move bottles around.

You could also just attach some tubing to your spigot and put a bottling wand at the end of that. I think I would still go for the autosiphon though. Since you're bottling from primary, you have more control in avoiding the trub and yeast in your bottles.


I've been using a siphon for 4 years with little downside (friends like the product). It is simple and inexpensive. I'd recommend you go that route as the investment is small. You can always spend more money later ;-)


An autosiphone is a cheap effective way to do it. $15, give or take, and you'll be in business. You won't find an advantage in terms of oxidation of one vs. the other. I've done both, and have both. The autosiphone is still pretty straight forward and quick to use, and I still use it despite having CO2 at my disposal.

If you get a tank, regulators, fittings, etc... you'll be into it for $200, so I wouldn't do it unless you're building a kegerator.

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