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How to Get Rid of Fruit Flies and Gnats Fast

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7. Honey

honey in bowl

To save gnat-infested houseplants, you can also use honey. The sweet smell will attract the gnats onto your trap, and its sticky texture will prevent them from escaping.

  1. Attach a toothpick to one side of a bright-colored index card.
  2. Smear the other side of the card with a thin layer of honey.
  3. Put the card into the soil of your infested houseplant.
  4. Throw away the card once it fills up with dead gnats and replace it with a new one.

8. Vegetable Oil

vegetable oil

You can use vegetable oil to trap and kill gnats that you see coming from the drain in your kitchen sink.

  1. Pour about ¼ cup of vegetable oil into your drain, and rub some oil around the edge of the drain.
  2. Use tape to close the holes of the drain.
  3. Leave it overnight.
  4. Remove the tape the next morning. You will notice gnats stuck on it.
  5. Repeat for a few more days.

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