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Old 05-19-2009, 03:47 AM   #11
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The whole reason for using airlocks is to stop fruit flies from getting in your brew. It sounds like your airlock did exactly what it was designed to do.

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Old 05-19-2009, 12:09 PM   #12
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It's just a little extra protein. Sure they're tart, but they make for a quick pick-me-up in a pinch.

Wait...wha?

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Old 05-19-2009, 01:39 PM   #13
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I had fruit flies last summer, how do fruit flies get in the house? Are they really transmitted by buying fruit with them/eggs in it?

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Old 05-19-2009, 02:16 PM   #14
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Quote:
Originally Posted by conpewter View Post
I had fruit flies last summer, how do fruit flies get in the house? Are they really transmitted by buying fruit with them/eggs in it?
According to this source they come in from the outside.
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Old 05-19-2009, 02:23 PM   #15
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I had fruit flies last summer, how do fruit flies get in the house? Are they really transmitted by buying fruit with them/eggs in it?
They also hitchhike from produce you buy at he grocery store. They love alcohol. I've seen one of the dive bars down here change out all their auto-pour bottle jiggers because they had fruit flies trapped in them on more than one occasion. Good thing I stick to the bottled beer.
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Old 05-20-2009, 03:29 AM   #16
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Quote:
Quote from the article cited above:
And once they're established in your house, they can sustain themselves on an impressive range of nutrients. They can live on the slime inside a sink drain. They can flourish on a sour mop. They'll eat damp flour or food fermenting quietly in a crack in the floor. They've even proven capable of existing on a diet of alcohol fumes, their bodies deploying a special chemical that converts the alcohol to nourishment before it can poison them.
They certainly are resourceful little bastards!!
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Old 05-20-2009, 11:48 AM   #17
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"They've even proven capable of existing on a diet of alcohol fumes, their bodies deploying a special chemical that converts the alcohol to nourishment before it can poison them."

Think of the advantages of incorporating some of that 'speical chemical' fruit fly metabolism into our own.....vitamins instead of hangovers!

Fruit flies you will always have with you......unless you take scrupulous measures to eliminate all fermentation, not just your beer. Anywhere there are carbohydrates or their residues around, any form of garbage, even a slight dried spill of soda pop, etc., it's going to ferment, and that will draw the fruit flies and the sweet-eating ants, and they reproduce......like bugs......and so it goes. In our hundred-year-old farmhouse, I'm actually a lot more concerned about the ants. We haven't had ants in the house for many years, because I am very, very careful in this regard. Therefore, it was no real change of habits for me to be very, very careful with my brewing activities. I've never found a dead fruit fly in an airlock, although I've found a few dead ones on primary fermenter bucket lids.

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Old 05-25-2009, 06:07 PM   #18
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Quote:
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I asked the same question about a month ago....

here's a pic of my captured critters in the air lock...



I was using star san, put out traps and switched to rum (no vodka in the house) btw they didn't like the rum....
How did that batch turn out?
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Old 10-16-2010, 09:22 PM   #19
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I had a similar problem with chiggers. They would get to the airlock and the vodka would kill them. Like they say, "Chiggers can't be boozers."

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Old 09-06-2012, 05:07 PM   #20
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I'm having this problem right now. They aren't in my airlocks yet, but it sure makes the idea of taking a hydrometer sample a bit more scary. I've sprayed my fermenters with a starsan solution each day and covered them with boxes, but alas, the fruit flies are partying on my airlocks and carboy lids when I lift the boxes off.

This is why I like the fall and winter...

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