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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > Krausen in airlock.
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Old 05-02-2010, 02:23 PM   #1
ebaynote
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Default Krausen in airlock.

Morning all-
Quick question. I have 5g of beer fermenting in a 6.5 carboy at a friends house. He sent a pick this am that showed the krausen creeping up into the airlock and slowly coming out the top. The airlock had star san in it. Is this ok or should we go buy a blow off tube? I guess that yeast from the local brewery that they gave us yesterday for hb day was strong. ha. Thanks in advance.


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Old 05-02-2010, 02:40 PM   #2
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better put a blowoff on there. some tubing jambed into a drilled stopper would work. Or tubing stuck onto a carboy cap, Lot's of ways to do this. Shove the other end of the tubing into a pitcher of water.


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Old 05-02-2010, 02:40 PM   #3
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Congratulations !! You have made beer. Yes you should immediately switch to a blow off set up or at least change to a clean air lock. The krausen will plug the air lock up and pressure will build up and then.............boom, beer and yeasties all over the ceiling.
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Old 05-02-2010, 03:08 PM   #4
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You need a blow off tube, here's a quick photo of my setup. I use a blow off tube for at least the first week. If I have another brew come along I switch to an airlock. Here's a photo of both carboys (Porter and a Hefeweizen), and a closeup of the blow off tube.
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Old 05-02-2010, 05:00 PM   #5
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I would definitely go with a blow off tube. Cleaning out the airlock and replacing it only means you'll be doing it again, and again. Plus, it's good to have some extra tubing around.
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Old 05-02-2010, 10:37 PM   #6
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Thanks guys for the help. I got a pic of a splattered ceiling from my buddy. He took the carboys to his house to ferment them. Oh well, live and learn. Both now have blow off tubes!
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Old 05-02-2010, 10:45 PM   #7
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Rig up an airlock blowoff tube...take your bottling wand hose or other suitable one, put a small slit in it...Heat it for a few minutes in hot water to soften, then do this.





One thing that I do to all my airlocks is saw or break off the little criss/cross of plastic on the bottom of them.
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Old 05-02-2010, 10:49 PM   #8
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good advice revvy but a tad too late, look at the op's last post.

no blowoff = kaboom!
sticky ceiling
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Old 05-02-2010, 11:28 PM   #9
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Splattered ceiling pictures !! YES !! Please post them for the collection.
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Old 05-03-2010, 12:07 AM   #10
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The first photo I posted about 2 hours ago. Just a happy, gently bubbling jug of fermenting beer. I just took the second photo a few minutes ago. If I didn't have a blow off tube attached I would be cleaning the beer goo from my ceiling too. Always use a blow off tube!


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