Homemade Gnat Spray Recipe - What Can I Spray to Get Rid of Gnats? (2024)

If you’ve noticed that you suddenly have a swarm of tiny flying insects buzzing around your indoor plants and trash cans, it’s safe to say you probably have a gnat problem. Fungus gnats and fruit flies can be a bit of a nuisance, and if not dealt with immediately with a homemade gnat spray, your small problem can quickly turn into a gnat infestation.

These tiny insects are often found, in mass, around houseplants, because the gnat larvae feed on the organic matter until they metamorphosis into adult gnats.

You can significantly reduce their presence in your house by eliminating the conditions that gnats find attractive, as well as using home remedies to kill gnats.

Homemade Gnat Spray Recipe - What Can I Spray to Get Rid of Gnats? (1)

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Table Of Contents

  1. Can I Kill Gnats with Dish Soap?
  2. How Can I Get Rid of Gnats with Vinegar?
  3. What Can I Spray to Keep Flies Away?
    • Recipe for Homemade Gnat Spray

Can I Kill Gnats with Dish Soap?

You can quickly get rid of gnats with a soap spray, by far the best DIY insect killer spray you can find. You can treat the leaves of your plants that are infested with gnats by making homemade insecticidal soap and DIY fungus gnat spray.

Homemade Gnat Spray Recipe - What Can I Spray to Get Rid of Gnats? (2)

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DIY Insecticidal Gnat Spray

  • 2 tablespoons liquid Castile soap
  • 2 tablespoons vegetable oil
  • 1 teaspoon cayenne pepper
  • 1 gallon of water

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Before your gnat problem will turn into a gnat infestation, add the ingredients to a one-gallon container. Replace the top and shake the bottle to mix. Transfer some of the bug spray into a spray bottle.

Spray the tops and bottoms of the leaves to kill and prevent additional gnats. It may be necessary to repeat the process daily for several weeks to completely rid your house of gnats, but it is an effective gnat control solution.

Use this DIY mosquito spray for your yard, too. It eliminates gnats, mosquitoes, and other unwanted flying insects. It’s also a great fruit fly killer spray. Keep a bottle handy for flying bugs you find in the house.

How Can I Get Rid of Gnats with Vinegar?

One of the best ways to get rid of house flies with vinegar is to create a gnat trap using apple cider vinegar or red wine. Black flies, or gnats, are attracted to the sweet smell of the vinegar.

To trap gnats, pour an inch of apple cider or white vinegar into a small container, like a Mason jar. Add a few drops of dish soap to the liquid. Cover the opening of the jar with plastic wrap and secure it with a rubber band.

Use a toothpick to pierce small holes through the Saran wrap, giving the gnats a way to get to the vinegar trap. When the gnats fly into the container, their wings and legs will become covered with dish soap, leaving them unable to fly back out.

What Can I Spray to Keep Flies Away?

To answer the question “What can I spray to keep flies away,” we need to turn to essential oils. Essential oils have long been used to repel insects, including drain flies and gnats. There are several essential oils that you can use in your gnat repellent.

Some of the best gnat repellent on the market contain essential oils. The best essential oils to use to repel gnats are peppermint, eucalyptus, rosemary, cedarwood, tea tree, geranium, patchouli, and neem.

Dealing with gnats in and around your home can be incredibly frustrating because of how quickly they reproduce. With these simple gnat repellent solutions you can get your gnat infestation under control and finally rid your home of these pesky flying insects.

Recipe for Homemade Gnat Spray

Homemade Gnat Spray Recipe - What Can I Spray to Get Rid of Gnats? (3)

Homemade Gnat Spray

Yield: 1/2 gallon

Prep Time: 15 minutes

Total Time: 15 minutes

Difficulty: Easy

Get rid of gnats for good with this organic solution.

Materials

  • 1/2 gallon tap water
  • 1/2 tsp cayenne pepper powder
  • 1 tbsp canola or other oil
  • 1 tbsp liquid natural soap

Tools

  • 1/2 gallon container with a lid
  • 16-ounce sprayer
  • Teaspoon
  • Tablespoon

Instructions

  1. Mix the liquids in the container.
  2. Replace the lid and shake to combine.
  3. Pour some of the gnat repellent into the sprayer.
  4. Spritz flying bugs.
  5. Add more liquid to the sprayer as needed.

Notes

Castile is a trusted natural soap.

Homemade Gnat Spray Recipe - What Can I Spray to Get Rid of Gnats? (4)

We hope you enjoyed learning about how to make a homemade gnat spray to take care of the gnat problem in your home. If you found the information useful in this article, please don’t hesitate to share it with your friends and family.

Homemade Gnat Spray Recipe - What Can I Spray to Get Rid of Gnats? (2024)

FAQs

Homemade Gnat Spray Recipe - What Can I Spray to Get Rid of Gnats? ›

Homemade gnat repellent spray: A mixture of dish soap, water, baking soda, and vinegar can be filled into a spray bottle. The mixture should contain a few drops of dish soap, a tablespoon of vinegar, and baking soda per cup of water. A few sprays of this mixture is an effective gnat repellent.

What is the best homemade spray to kill gnats? ›

If you just have a couple scouts checking out the accommodations—as in, the gnats aren't swarming yet—fill a spray bottle with a cup of water, a tablespoon of vinegar, and a few drops of liquid dish soap and give it a good shake. Spritz gnats in flight to put an end to the infestation before it begins.

What kills gnats immediately? ›

One method includes setting a bowl near the infestation and pouring apple cider vinegar, a teaspoon of sugar and a teaspoon of dish soap into the bowl. The sugar will attract the gnats, the dish soap will prevent them from escaping and the vinegar will kill them.

What is a homemade gnat catching solution? ›

Combine equal parts vinegar and soap and then add a few tablespoons of sugar – once you mix it all together you can place the bowl wherever the gnats have been gathering. They will be attracted to the sugar and vinegar and drown in the mixture.

What liquid solution catches gnats? ›

In a small bowl, mix a half cup of warm water plus two tablespoons of apple cider vinegar, a tablespoon of sugar, and about six drops of liquid dish soap. Gnats will be lured in by the sugary mixture, but once they dip in for a drink, the sticky dish soap will trap them.

What smells make gnats go away? ›

Or, you can switch up your favorite scent with something they don't like. Try Lighting citronella candles using lemon or vanilla sprays. While gnats are a fan of sweet-smelling fruit, they can't seem to stand vanilla, lemon, or even lavender. A little spritz can at least keep them at bay.

Can I spray my plants with vinegar to get rid of gnats? ›

You can certainly use vinegar to kill gnats, but don't just pour it directly on your plants! Instead, you'll want to make an apple cider vinegar trap, or a 50/50 spray of white vinegar and water.

What do gnats hate the most? ›

For gnats you have following options:
  • Gnats hate Lavender smell, so you can plant some lavender herbs in your garden to deal with gnats problem if its outdoors.
  • Gnats love "Apple cider vinegar". ...
  • Gnats hate the smell of Vanilla. ...
  • Citronella oil is another thing that most fly breeds including gnats hat.
Jun 23, 2015

What kills gnats and their eggs? ›

Hydrogen Peroxide

A peroxide solution apparently kills larvae and eggs on contact, effectively killing off all infant gnats and disrupting the lifecycle. You should be able to buy hydrogen peroxide from any high street pharmacy or online. Mix 1 part 9% hydrogen peroxide with 6 parts water.

Do dryer sheets keep gnats away? ›

Dryer sheets can also be used to protect houseplants from annoying pests. Since they have been proven to repel fungus gnats, placing several dryer sheets near your houseplants could protect them from these root-eating pests.

How do I get rid of drain gnats permanently? ›

Clean Your Drains

Boiling Water: Pour boiling water down your drains to wash away gnats and their eggs. Baking Soda Solutions: Use a mixture of salt, baking soda, and white vinegar to foam away bacteria in your pipes. Chemical Cleaners: For intense infestations, consider using a chemical cleaner like Drano.

Does WD40 keep gnats away? ›

Yes it will work on gnat infestations. Supposedly they don't like the smell of WD40.

Does rubbing alcohol keep gnats away? ›

An alcohol spray is effective for killing red spider mites, mealy bugs, whiteflies, aphids, fungus gnats, and scale. To make the spray, mix 1/2 to 1 cup of rubbing alcohol with 1 quart of water in a pump-spray bottle. It's a good idea to test spray one leaf of an infested plant and wait a day to check for damage.

Will rubbing alcohol kill gnats in plants? ›

An alcohol spray is effective for killing red spider mites, mealy bugs, whiteflies, aphids, fungus gnats, and scale. To make the spray, mix 1/2 to 1 cup of rubbing alcohol with 1 quart of water in a pump-spray bottle. It's a good idea to test spray one leaf of an infested plant and wait a day to check for damage.

How do you make vanilla spray for gnats? ›

Simply add a few drops of vanilla extract to a small spray bottle of water. Play around with it and see what works for you. I've heard about 6 drops of vanilla extract per 8 ounces of water will do the job, then spray on all areas of your exposed body.

What gets rid of fruit flies and gnats? ›

To create a DIY fruit fly trap, mix a quarter cup of either apple cider vinegar or white vinegar with a few drops of dish soap. The idea is that the irresistible vinegar attracts the fruit flies, while the soap breaks the vinegar's surface tension and drowns them.

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