Kitchen Hacks
The French Grandma's Trick to Keeping Fruit Flies Away
Hint, hint: There’s wine involved (of course).

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Also, I rinse my soft fruit in water with a dash of vinegar to kill the bacteria and prolong the life of the fruit (dry carefully too). A fan blowing gently on the fruit tray/bowl also discouraged fruit flies.
If you don’t have ammonia, chlorine bleach in the drain also works.
Fruit fly season always reminds me of this story. I love your hint. I have wine corks on hand, zoo will toss a few in our produce baskets and bowls. Will tell my brother, too!
(Soapy water under a gooseneck lamp helps. They jump in and perish...) Having said that, where there is fruit, there are tens of millions of fruit flies no matter what tricks we use.
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