oxygenation foam!!

single.barrel · Mar 11, 2007

I just started full boils, and subsequently am using a pure oxygen system with a diffusion stone. My problem is even at a low setting the oxygen foams the wort so greatly I can't oxygenate for over a couple minutes without it trying to foam over. Would an anti foaming agent work or any other suggestions would be appreciated

rod · Mar 11, 2007

from what i have read and experienced 2 minutes of oxygen is sufficient

Kaiser · Mar 11, 2007

single.barrel said:
I just started full boils, and subsequently am using a pure oxygen system with a diffusion stone. My problem is even at a low setting the oxygen foams the wort so greatly I can't oxygenate for over a couple minutes without it trying to foam over. Would an anti foaming agent work or any other suggestions would be appreciated

Don't use any anti-foam agent. That stuff doesn't have any place in brewing.

With pure O2, you only need to oxygenate for 1 to 2 minutes anyway. What kind of diffusion stone are you using? Is it one of those stainless steel ones?

Kai

Bobby_M · Mar 11, 2007

Set it on low, as soon as the foam hits the carboy neck, you're done. 2-3 minutes is plenty.

Brew Haus · Mar 11, 2007

.5 micon stainless steel stone should do it

ryan99 · Mar 12, 2007

How long can you keep it in the secondary once you dry hop it?

Willsellout · Mar 13, 2007

My aeration system from Williams brewing says only a minute and your good. I used it yesterday and at 1 minute there was foam to the top of the carboy, so it worked well. I have a nice fermentation going on 10 hours later.

Dan

single.barrel · Mar 13, 2007

I am using the williams oxygenation system as well I beleive it is a .5 micron diffusion stone

single.barrel · Mar 13, 2007

thanks for the feedback!

user 4295 · Mar 13, 2007

I also use the wand from William's, 90 seconds is sufficient for me. The stone that they use is a 2 micron stone.

joejoe1881 · Mar 13, 2007

Theoretically, if your oxygen flow is 1 LPM you only need 8s of oxygen to fully saturate 5 gallons of water. Of course things hardly work perfectly, but I would suspect anything over 20s is overkill.

AleHole · Mar 13, 2007

To really minimize the foam make sure when you transfer into your primary that you siphon. If you just dump it in our pour it through a funnel/strainer it aerates it pretty good so when you add the oxygen it foams up fast. The last few times I siphoned my wort into the primary I could oxygenate and stir with the wand for 2-3 minutes before I had to stop for the foam to settle.

oxygenation foam!!

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