Home Brew Forums > Home Brewing Beer > General Techniques > Blow Off or Let Blow Over?
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Old 01-29-2013, 03:23 AM   #1
nickdaniel
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Default Blow Off or Let Blow Over?

First time posting, mainly because I'm facing my first blow over. I brewed a dunkel yesterday and pitched Wyeast 3068. Fermentation took off within 8 hours. 24 hours later I'm getting yeast coming up through and overflowing the airlock (which is going crazy). Not too bad yet, but I'm not sure what to expect...

I knew I didn't leave enough headspace in my fermenter, so this isn't 100% unexpected, but now I'm faced with a dilemma: should I hook up a blow off tube or just let it overflow the airlock? I have it in a cool brewing bag, so I'm not worried about the mess; I'm mostly worried about blowing the lid.

Any advice would be much appreciated.


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Old 01-29-2013, 03:38 AM   #2
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I assume you're using a bucket with the terminology you used of lid, I would get a hose.


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Old 01-29-2013, 03:47 AM   #3
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Yeah, using an ale pail.
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Old 01-29-2013, 04:26 AM   #4
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Hose one end in the bucket other end in a glass or jar with starsan solution in it.
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Old 01-30-2013, 01:27 AM   #5
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I just use foil on all my beers thru karausen . With airlocks when plugged create back pressure and yeast switch modes from creating alcohol and co2 to just co2 . Not including possible undesirable esters and the risk of having an airlock hit the ceiling .
Now while using a blowoff tube works . I'm too lazy to clean one .
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Old 01-30-2013, 02:00 AM   #6
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Quote:
Originally Posted by Petedadink View Post
I just use foil on all my beers thru karausen . With airlocks when plugged create back pressure and yeast switch modes from creating alcohol and co2 to just co2 . Not including possible undesirable esters and the risk of having an airlock hit the ceiling .
Now while using a blowoff tube works . I'm too lazy to clean one .
So on a big beer you'd rather clean the mess of a overflowing bucket rather than a single hose? I use blow off hoses because I'm too lazy to clean up the other mess.. lol
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Old 01-30-2013, 02:07 AM   #7
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Blow off. Less mess
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Old 01-30-2013, 02:10 AM   #8
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Blow off. Less mess
Same here.
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Old 01-30-2013, 05:16 AM   #9
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As soon as I see krausen coming through the airlock it's time to switch to a blowoff hose, to prevent an explosion. Spray all around the lid grommet with pre mixed star San. Sanitize (inside and out) a length of regular racking hose. Remove the airlock and spray the lid grommet again. The 5/16x7/16 racking hose will fit perfectly in a standard lid grommet. Only put it in a half inch (remember that headspace is full of krausen that will eventually settle back into your beer.). The other end goes into a reservoir with sanitizer in it (doesn't need to be full). Problem solved.
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Old 01-30-2013, 05:24 AM   #10
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Quote:
Originally Posted by eyedoctodd View Post
As soon as I see krausen coming through the airlock it's time to switch to a blowoff hose, to prevent an explosion. Spray all around the lid grommet with pre mixed star San. Sanitize (inside and out) a length of regular racking hose. Remove the airlock and spray the lid grommet again. The 5/16x7/16 racking hose will fit perfectly in a standard lid grommet. Only put it in a half inch (remember that headspace is full of krausen that will eventually settle back into your beer.). The other end goes into a reservoir with sanitizer in it (doesn't need to be full). Problem solved.
Cliff notes: Sanitize, stick tube in hole, stick other end in sanitizer.


Work done. Be lazy.



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