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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > WTF is happening here? infection?
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Old 11-13-2012, 02:51 PM   #1
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Default WTF is happening here? infection?


weird bubbles by natural320, on Flickr

well, I haven't seen this before in my 3 years of brewing.

check that, the wheat beer batch I harvested my yeast from to make this cider had some odd looking bubbles on top, but nothing of this magnitude. I had used Fermcap and dry-hopped, so I figured that was the source of the odd bubbles on the surface, but I'm thinking that I am probably wrong.

all this cider is: Costco apple juice and the harvested Wyeast 3068. something tells me this picture shouldn't be happening. should I skim this crap off? I was going to keg it and back sweeten with more AJ...should I not do that now? what could be the culprit? ~sigh~ thanks for any input you guys can offer

oh, it tastes tart, but my ciders using this juice always do before I back-sweeten. this is my first time using this yeast in this application though


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Old 11-13-2012, 02:53 PM   #2
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Oh, wow- great pellicle! I don't know my pellicles very well, but it sure looks like brettanomyces to me.


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Old 11-13-2012, 02:54 PM   #3
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That is without a doubt, an infection. You should post that to the pellicle thread here: http://www.homebrewtalk.com/f127/pel...ection-174033/ and ask them what it is. My guess is lacto.

And no worries if it still tastes good. That's really all that matters. Infections won't make you sick. They will create an unpredictable flavor profile, though.
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Old 11-13-2012, 03:06 PM   #4
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natty, that's a brett pellicle. go ahead and send it to me for disposal!!
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Old 11-13-2012, 03:24 PM   #5
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now that I am thinking about it, if I keg this batch...what type on concerns would I have about cleaning it and using it for "normal" beer again? are my tubing lines, gaskets, etc all going to need replacing?

so would it be simpler to bottle it up and just have to PBW the glass afterwards? what about the fermenters themselves? any special care needed there, or would a PBW soak work out okay?

sorry for all the questions...first time infected brewer ;-)
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Old 11-13-2012, 03:30 PM   #6
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kegging sours is fine. Most people have a dedicated tap and keg for it but I've read that you should be good if you just clean out the lines after the keg is kicked. At the least i'd give the keg a hot water/pbw soak when it's empty and change out the o-rings. Then run some hot water/pbw through the lines and tap followed by a star san rinse.
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Old 11-13-2012, 03:30 PM   #7
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Do you have access to a corker and a bunch of wine bottles or large-format beer bottles? I'd go that route for safety if you can.

If not, I would personally avoid using anything plastic again that was used with this beer.
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Old 11-13-2012, 03:41 PM   #8
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Yeah think that this happened on its own, and when we sanitize we are killing off these types of bugs which exist everywhere anyway. Keg it and your keg will be fine. Perhaps swap out the O-rings but really no big. Especially if your kegs are stored cold with beer anyway.
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Old 11-13-2012, 03:50 PM   #9
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Quote:
Originally Posted by JordanThomas View Post
Do you have access to a corker and a bunch of wine bottles or large-format beer bottles? I'd go that route for safety if you can.
I was actually thinking about using a few screw top wine bottles that I have. haha I missed the recycling pick up this morning by a few minutes, so that might work out smashingly in my favor!

I'd take the "cider" right from the fermenter, to the bottle, then into the fridge to prevent any further fermentation/carbonation build-up
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Old 11-13-2012, 08:42 PM   #10
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Quote:
Originally Posted by natural320 View Post
I was actually thinking about using a few screw top wine bottles that I have. haha I missed the recycling pick up this morning by a few minutes, so that might work out smashingly in my favor!

I'd take the "cider" right from the fermenter, to the bottle, then into the fridge to prevent any further fermentation/carbonation build-up
Definitely do NOT use wine bottles! Brett may continue to ferment, and wine bottles don't hold pressure. Beer bottles may be fine, or champagne bottles, or even soda bottles, but no wine bottles.


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