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Old 04-21-2008, 06:13 PM   #1
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Default First brew- airlock is filling up with foam

I pitched my yeast in my first brew last night, and I saw first signs of bubbling in the airlock this morning. I just got back from class and noticed that the liquid in the airlock is now a brownish color and overflowing with foam. The lid to my fermenter is bowing outward. What do you guys suggest I do? I know these are beginner questions, I'll keep researching while I wait on replys. Thanks


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Old 04-21-2008, 06:21 PM   #2
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That happens to all of us on occasion... One thing to do is to add a blowoff tube.

If you are fermenting in the bucket, you can do this.

You do a modified 3 piece airlock blowoff tube with what you have already. If you are using a 3 piece airlock...Do this.



You have to find a piece of long hose that will fit in the center pipe of your airlock...I had to do it in a pinch and found the the hose I had for my bottling wand almost fit....I put a small slit in it, then I soaked it in hot water for a few minutes to Soften and slid it around the tube...

I also found it is a good idea to cut, saw or break off the little criss crossing piece of plastic at the bottom of the airlock. It works great!

If you are using a carboy, make sure you are using a 6.5 gallon carboy for your 5 gallon batches, and you should affix a blowoff tube like this;


(I stole this pic from yooper who stole it from biermuncher)

The other end of the tube goes into a bucket, jar or small pail to which you added sanitizer or vodka.
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Old 04-21-2008, 09:19 PM   #3
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thanks for the advice revvy. i was finally able to get a blowoff hose attached and it seems to be working alot better now. i did have a little explosion of hop resin into my face and all over the ceiling. should i keep this hose on for the entire fermentation? or replace it and put the airlock back on after the primary is done?
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Old 04-21-2008, 09:21 PM   #4
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You can do either- the blow off tube is just really a big airlock. I switch back to an airlock, just to help save space and prevent messy spills if a dog/cat/person knocks over the sanitizer-filled container. But if you wish to keep the blow off tube on the entire time, that's fine.
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Old 04-21-2008, 09:23 PM   #5
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the hose is essentially an airlock, just bigger. some people only use blow-offs. you can switch back if you want, but you don't have to.


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