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Old 03-25-2010, 02:17 AM   #1
Nov 2009
wilkesboro, n.c.
Posts: 39

I have tried pitching on old yeast cake for the first time today and I am getting real good action. I am using a blow off tube in a bucket. How long should I leave the blow off tube in before switching to a lid valve?

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Old 03-25-2010, 02:23 AM   #2
cimirie's Avatar
Feb 2009
Orlando, FL
Posts: 800
Liked 20 Times on 19 Posts

It depends on a couple things. Temp, OG, yeast... The thing about the need for the tube is, you only need it for as long as you need it. In other words, once the krausen stops coming out ofthe tube, you can swap it out. I would guess about 3-4 days, but if you watch it, you'll know best. Good luck.
Originally Posted by StuporMan View Post
You guys joke around with this all you want, but let me tell you something: I tried making my own beer one time and wound up with herpes!

Primary: Billy Corrigan Ale, malted cider experiment, Optimator clone
Secondary: Sorachi Ace IPA
Bottled: Dark Lord Clone Imperial Stout, Winter 2010 Spiced Ale Ambassador Brown Ale, Michigan Berry pLambic
Kegged: Old Woodward ESB, Strawberry Blonde
On Deck: Honey brown ale, dry stout

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Old 03-25-2010, 07:06 PM   #3
Jan 2010
Hamilton, On
Posts: 312
Liked 18 Times on 18 Posts

I usually leave mine on for a week. Just because . . .

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Old 03-25-2010, 07:46 PM   #4
Frank99's Avatar
Jan 2010
SF Bay Area
Posts: 287
Liked 2 Times on 2 Posts

I'm a recent convert to using foam control drops in my boil. It has totally eliminated the blow-off issue during fermentation. In fact, my last batch there was NO visible action whatsoever. I took a hydrometer reading after 4 days and I had full attenuation.

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Old 03-25-2010, 07:51 PM   #5
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Hammy71's Avatar
Sep 2008
, Maryland, The Tax Me State
Posts: 5,906
Liked 534 Times on 407 Posts

I usually leave my blow off tubes in for a week also. Never tried the 'no foam' drops. I've read up on them and from what I can read it's just silicone (or silica...something like that...) and if you put more than reccomended it can yadda yadda yadda. Blow off tube take a couple of minutes to sanitize and seconds to install.....and doesn't cause

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Old 03-25-2010, 07:55 PM   #6
Oct 2009
Spokane WA
Posts: 108

I leave mine on for a week. Highly active fermentation takes a few days and then it slows down. That is when I rack to secondary. Plus, I brew on Saturdays and it's convenient to transfer then too. It wouldn't kill anything to leave it on though for the duration of the fermentation process. It is just like a huge airlock.
Arron - quality over quantity beer drinker

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