Killing Flies with Windex: Fact or Fiction?

Yes, windex can kill flies. Windex contains ammonia, which is toxic to flies, and it can be used as a method of pest control.

However, it is important to note that windex is not designed specifically for killing flies and should not be relied upon as the sole method of eradicating a fly infestation. Fly control is essential for maintaining a clean and healthy living environment.

Flies can carry diseases and bacteria and can contaminate food and surfaces. There are many methods available to control flies, including physical barriers, sanitation, and chemical treatments. While windex may temporarily kill flies, it is important to address the underlying source of the infestation to prevent future outbreaks. Proper hygiene, regular cleaning, and maintenance of waste management systems can go a long way in preventing flies from becoming a problem in homes and businesses.

Background Information

Does Windex Kill Flies – Background Information

Flies are a common household pest that can spread diseases like cholera or typhoid. These pesky insects are attracted to garbage, decaying matter, and animal waste. Thus, it’s no surprise that you find them buzzing around in your kitchen or other parts of the house.

You might have heard of windex as a fly repellent, but does it really work? Let’s explore this.

Scientific Properties Of Windex

  • Windex is a popular glass cleaning solution marketed by sc johnson.
  • The active ingredients in windex include water, isopropanolamine (2-hydroxyisopropanol), sodium dodecylbenzene sulfonate, and lauramine oxide.
  • Isopropanolamine, one of the primary ingredients, has a ph of around 10 to 11, which can kill insects by penetrating their exoskeletons.

Why Household Flies Are Considered Pests

  • Flies can contaminate food and spread infectious diseases, making them a significant health risk.
  • Female flies can lay up to 500 eggs within days of hatching, which means a small fly infestation can turn into a major problem in just a few days.
  • An infestation can also be detrimental to a business’s reputation, ruining its brand image and leading to loss of customers.

Previous Methods Of Fly Eradication

  • People have been trying to eradicate flies for centuries. In ancient times, they used to hang flypapers made of sticky substances and honey.
  • In the 20th century, various pesticides such as dichlorodiphenyltrichloroethane (ddt) were used, but their harsh chemicals polluted the environment.
  • Today, people use electronic fly swatters, sticky tapes, and other eco-friendly solutions to deter flies.

While windex might kill some flies due to its active ingredients, it isn’t an effective long-term solution for eradicating them. It’s essential to maintain good hygiene in your home or business to prevent fly infestations.

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The Myth And Its Origins

Does Windex Kill Flies: The Myth And Its Origins

Have you ever heard the myth about using windex to kill flies? Many people believe that spraying windex on flies will kill them instantly. But is it true? Let’s explore the history of this belief, possible explanations for its origin, and its credibility.

The History Of The Windex Belief And Its Spread

The myth that windex kills flies likely started as an old wives’ tale or a practical joke. However, it gained popularity after a scene in the movie “my big fat greek wedding” where the protagonist’s father claims that windex can cure any ailment.

Since then, people have been using windex as a fly repellent. The belief has spread across the internet, and social media platforms are full of debates on whether it works.

Possible Explanations For The Windex Myth

There are various theories on why windex is said to kill flies. Here are a few possible explanations:

  • In the movie “my big fat greek wedding,” the father’s claims about windex were intended to be comical and exaggerated. However, viewers may have taken the statement seriously and spread it as a home remedy.
  • Windex contains ammonia, which is a common ingredient in many insecticides. People may think that spraying windex on flies is like using any other insecticide.
  • Flies are naturally attracted to light. When windex is sprayed on glass surfaces, it creates a glare that attracts flies. People may mistakenly think that windex is killing the flies when they see them stuck on the surface.

Examining The Credibility Of The Myth

Despite its widespread popularity, there is no scientific evidence to support the claim that windex kills flies. In fact, the makers of windex have even stated that windex is not intended to be used as an insecticide. While spraying windex on flies may kill them, it’s likely because the chemical is toxic and not because of any fly-repelling properties.

The belief that windex kills flies is a myth without any scientific evidence to support it. While it may be tempting to try spraying windex on flies the next time they buzz around, it’s safer and more effective to use insect repellents or traps specifically designed to kill flies.

Scientific Evidence

Does Windex Kill Flies – Scientific Evidence

While many people swear by using windex as a fly killer, others are skeptical. So, is there any scientific evidence that suggests windex truly kills flies? Let’s find out.

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The Science Behind Windex And Fly Extermination

Windex contains various chemicals, including ammonia and isopropyl alcohol, that reportedly help to kill flies. Ammonia’s strong odor attracts flies, while isopropyl alcohol is toxic to them.

However, it’s important to note that windex wasn’t primarily designed as a fly killer. It’s a glass cleaner, and its effectiveness as a fly killer is a mere side-effect.

Conducting Experiments To Test The Windex Myth

Many people have attempted to prove or disprove the myth surrounding windex’s effectiveness as a fly killer. Several experiments were conducted, with varying results; some showed that windex could kill the flies, while others claimed it did not.

One experiment involved spraying windex onto a sheet of paper and waiting for the flies to land on it. The results were mixed; some of the flies were killed, while others remained unscathed.

Overall, the results of these experiments suggest that while windex can kill flies, it’s not as effective as other fly sprays and insecticides.

Analyzing Research Studies On Windex And Insecticide

There have been studies conducted to examine the effectiveness of ammonia and isopropyl alcohol, the primary chemicals found in windex, as insecticides.

A study found that ammonia was not an effective fly killer, as it only had an inhibitory effect on the flies. However, isopropyl alcohol was found to be considerably more effective against flies.

Despite this, it’s worth noting that windex should not be relied upon as the primary means to eliminate flies. Instead, other insecticides are likely to be a better solution.

While windex may be effective in killing some flies, it’s not a reliable insecticide. It’s best used as a cleaning solution for glass surfaces and windows.

Alternatives To Windex

Does Windex Kill Flies?

Windex is a popular glass-cleaning solution found in many households, but does it kill flies? The answer is yes. Windex contains ammonia and other chemicals that can kill flies. However, it’s not just flies that windex can kill. It’s also harmful to other insects, pets, and humans.

In this post, we’ll explore safe and effective alternatives to using windex.

Natural Remedies For Fly Eradication.

If you’re looking for a natural solution to fly eradication, consider the following:

  • Essential oils such as lavender, eucalyptus, and citronella can repel flies. Mix a few drops of essential oil with water and spray it around the areas where flies are present.
  • Venus flytraps are carnivorous plants that can trap and kill flies.
  • Flypaper is a non-toxic way to catch and kill flies. It’s made of sticky material that traps flies when they land on it.
  • Homemade fly traps such as a container filled with vinegar and dish soap can also be effective in trapping and killing flies.
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Safe And Effective Alternatives To Using Windex.

If you prefer to use a commercial product to kill flies, consider the following alternatives to using windex:

  • Fly swatters are an effective and safe way to kill flies. They come in different sizes and shapes and can be used indoors or outdoors.
  • Bug zappers are an electronic insect control system that attracts and kills flies. They emit a bright light that attracts flies, and when they come in contact with the electric grid inside the zapper, they’re electrocuted.
  • Insect growth regulators such as methoprene are chemicals that prevent flies from reaching maturity. These products are safe and effective in controlling fly populations.

Comparison Of Windex To Other Insecticides.

When compared to other insecticides, windex falls short. It may kill flies, but it’s harmful to other insects, pets, and humans. It’s also not very effective in controlling fly populations. The alternatives mentioned above are safer and more effective ways to control fly populations without harming the environment or risking the health of other living beings.

Windex can kill flies, but it’s not an ideal solution for fly eradication. There are safer and more effective alternatives available that can help you get rid of flies without harming the environment or risking the health of other living beings.

Consider using natural remedies or safe and effective insecticides to control fly populations in your home or outdoor space.


As a concluding remark, it is evident that windex can indeed kill flies effectively. The ammonia-based formula acts as a potent insecticide that dehydrates and suffocates the flies, leading to their inevitable demise. However, one must exercise caution when using windex around the house, particularly when there are children or pets present.

It is crucial to read the label instructions and follow them accordingly to prevent any potential harm. While windex may serve as a convenient and affordable solution, it is always advisable to explore other natural alternatives, like fly traps or essential oils, that are equally effective and safe.

In the end, it boils down to individual preference and circumstances. Ultimately, killing flies is crucial to maintaining a hygienic living space, and with windex, it is easier than ever before.

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