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Old 12-08-2012, 07:24 PM   #1
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Default Dead fruit fly in air lock. Toss the batch?

I was transferring to the secondary and found a dead fruit fly in the air lock. I did not see any indication of fruit flies in the fermentor. My wife read in some wine making text that fruit flies in the airlock means larvae in the batch. I think it's probably OK, but I thought I'd ask for opinions.

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Old 12-08-2012, 07:30 PM   #2
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I think that wine-making text is hooey. Or... wait... does does your airlock have a cover to keep flies out?

Fruit flies are a serious danger to your beer, but in the airlock is OK. I'd clean that airlock out and replace the fluid in it though.

What's in your airlock? And, why doesn't it have a cover for this reason? (If it does have a cover, now that might be a problem!)

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Old 12-08-2012, 07:32 PM   #3
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I'd wait to see what the pros here say.
I'd say don't drink out of the airlock. It would have to be pretty bad for me to dump 5 gal of beer.

Drosophila are most common in the red eye variety. Was it a white eyed, male? Those are the rarest. As a science teacher these things excite me.

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Old 12-08-2012, 07:34 PM   #4
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The airlock does have a cover, but there are small holes in the top that he got through (standard three piece) . I just had water in the airlock, not starsan or anything

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Old 12-08-2012, 07:34 PM   #5
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Let me know where you are going to dump it and I'll bring my carboy.

You'll be fine.

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Old 12-08-2012, 07:37 PM   #6
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Quote:
Originally Posted by Cider123
Drosophila are most common in the red eye variety. Was it a white eyed, male? Those are the rarest. As a science teacher these things excite me.
Lol. This was my first thought as well. We science teachers are an odd bunch.
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Old 12-08-2012, 07:42 PM   #7
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I hope you are planning on dumping it down your throat.

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Old 12-08-2012, 07:47 PM   #8
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Get some starsan in that airlock.

I am really surprised a fruit fly got through those little holes. I've fermented outside in the summer (in FL) and nothing got in there.

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Old 12-08-2012, 07:56 PM   #9
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Thanks for all of the quick replies. Good to know there is nothing to worry about. I'll start using StarSan... and tell my wife to get a new wine book

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Old 12-08-2012, 08:04 PM   #10
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Quote:
Originally Posted by bizarrojosh View Post
Let me know where you are going to dump it and I'll bring my carboy.
I lol'ed.
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