How To Keep Beetles Out Of Pool

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Concerned about how to keep beetles out of pool? You are not alone! Many homeowners have the same challenge, but we can help you deal with that problem.

Water beetles fall in the same category as annoying water bugs such as water boatmen and backswimmers. There is nothing as irritating as bugs in your pool, especially when you are enjoying yourself. Some water bugs are harmless, like the water boatmen but beetles and backswimmers though not poisonous, bite and sting. It is wise to take preventive measures, but you can easily get rid of them if they are already in your pool.

We will show you how to get rid of beetles and other water bugs from your swimming pool. Also, we will share some tips to prevent bugs from infesting your pool.

Why Are There Beetles In Your Pool?

The primary reason is the abundant food source. A visual check on your pool surface will most likely reveal a few other bugs have made a home in your pool. Most of these water bugs, including beetles, lay their eggs in algae which is the main culprit for insects in or around your pool. Algae provide a constant food supply to the bugs. In turn, the bugs become food for the beetles.

Another reason is warmth. Beetles are not attracted to light but warmth and if your pool is heated, expect them to hang around. Also, if your swimming pool has underwater lighting that emits a lot of warmth, the warmth will attract beetles. Some beetles drown accidentally while following warmth emitted by lights on the pool’s edge.

Finally, beetles hang around your pool, especially from the garden, and may drown while reaching for leaves and other plant matters that may be floating on the pool surface.

Beetles Commonly Found In The Swimming Pool

It is not uncommon to find various water bugs and other insects on the surface of your pool or drowned at the bottom. Some of the more common beetles you will find are diving beetles, whirligig beetles, and Japanese beetles, among other water beetles.

Japanese beetles find their way into the pool accidentally following leaves or a piece of fruit in the swimming pool. You will find them in the garden where they are known to cause a lot of damage.

Whirligig beetles, in contrast, are water beetles capable of swimming and diving into the water in the hunt for food. They eat other smaller insects, such as water boatmen. They are black in color and oval-shaped.

Diving beetles are brown and are the easiest to get rid of. Though they can be found in standing waters and slow-moving waters, including swimming pools, they do not fare well in the presence of excessive salt and chemicals. Chlorinating your water does the trick of eliminating the diving beetles.

Getting Rid Of Beetles And Other Water Bugs

You can easily kill water bugs and their larvae using larvacide and other chemicals, but if you do not rid your pool of the factors attracting them, it’s no use. If you want to get rid of water bugs, eliminate their food source, algae. Once you destroy the algae, you should keep your pool clean to ensure that it does not grow back.

Also, observing regular hygiene maintenance checks will keep your pool sanitized and bug-free. Chlorine is the most common sanitizer used in the swimming pool. You must maintain the levels of free chlorine and total chlorine to ensure proper hygiene.

Ridding your pool of bugs is just a first step because keeping your pool clear of bugs will take continuous everyday measures. These preventive measures are going to ensure your swimming is uninterrupted.

Treatment Of Water Bugs And Beetles Already In The Pool

Eliminating the bugs already in your swimming pool is only a temporary option. One easy way to get rid of beetles and other bugs in your pool is by using surfactants that contain non-ionic ethoxylated. A quat-based swimming pool algaecide will also get the job done. They work by preventing the insects from breathing while in the water leading to death. At the same time, they stop algae growth on the dead beetles.

The dead beetles fall to the bottom of the pool, where the vacuum system removes them.

Have a weekly maintenance schedule where you apply the shock treatment on your pool or twice a week, depending on how often the pool is used. Pool owners should also use algaecide, depending on the situation. If you are noticing bugs, algae are already growing even if you cannot see it.

Preventive Measures To Keep Bugs Away

There are many steps pool owners can take to keep bugs at bay. They include a pool cover when not using the pool, keeping the pool clean, keeping the area around your pool clean, and natural repellants to ensure the bugs stay away from your pool.

1. Pool Cover

Beetles fly around at night looking for the water reflection until they find somewhere to land in. By keeping the pool covered at night, you reduce the water reflection.

A Pool cover also helps by keeping leaves, fruits, flowers, and other organics from entering the pool while it’s not in use. Some solar pool covers also help absorb and maintain the heat during the day and warm your pool.

When you cover the pool, you also reduce the daily cleaning you have to do. Ensure you check your cover every day, especially during the colder months when the pool is not in use. Use an old towel to get rid of any water sitting on the cover. Remember, water becomes stagnant after staying undisturbed for nine days, and it may start to attract insects and bugs.

2. Keeping Your Pool Clean

You can achieve this by daily skimming the pool and vacuuming when the need arises. By doing this, you eliminate the beetles and the organics and other insects they may feed on. When skimming live insects and beetles, ensure you are careful, or else they will fly away.

Also, ensure the levels of free chlorine and total chlorine are at the recommended levels for your pool. Chlorine will help keep the microbes and algae at bay. Regularly test your water for chlorine levels and add the balancers accordingly.

3. Turn Off Poolside Lights

Most insects and bugs are attracted to light, and it is prudent to turn off these lights. But if you can’t, do not direct them to the swimming pool. Turning off the lights greatly reduce the number of bugs you have to contend with. If you have to use light on the pool’s edge, go for the kind that doesn’t emit a lot of warmth.

4. Keeping The Area Around Your Pool Clean

You want to minimize the vegetation around the pool area. Mow the grass short and trim leaves of flowers and other plants in the area. Cleaning the area will reduce the breeding ground for some of the insects that hang around your pool.

You also want to spray insecticide around the area paying special attention to the landscaping and rocks. Keep the application at least five feet away from your pool perimeter.

5. Build An Enclosure Over Your Pool

If you live in tropical areas where mosquitoes are rampant, a cover over your pool is necessary. Though expensive, the fine netting screen is the best method and prevents insects from accessing your pool and laying eggs. Mosquitoes, in addition to being a nuisance, also cause malaria and other diseases. But a properly maintained pool filter system will take care of them.

6. Bug Traps

The traps work by attracting the insects through scent or light, and when the insect land on them, it is killed by poisoning, shock, or it gets stuck and eventually dies. The traps are very effective, with the downside being they don’t work on calling insects.

7. Run The Pool Pump For At Least 3-4 Hours Every Day

Most of the water bugs, including the beetles, prefer stagnant or slow-moving water. Keeping the pool pump running for a few hours ensures the insects do not land and breed. You can manually start and stop the pump or set the timer to run automatically for a few hours.

8. Bug Misting System

Insect repellant is proven to work against insects and instead of you spraying manually. You can set up a system to mist the area through motion sensors or at certain intervals. Like the bug trap, the mist system is also very effective.

Natural DIY Methods For Taking Care Of Water Bugs And Other Insects

1. Essential Oils

These are oils obtained from plants and other sources. In addition to smelling great, they also act as insect repellants. They include but are not limited to cinnamon, peppermint, vanilla, tea tree, and lemongrass.

Mix them with water or carrier oil and spray them into the areas surrounding your pool. Do not spray directly into the pool.

2. Bird Feeders Or Birdhouses

Attracting birds to the area around your pool is highly beneficial for your pool. Birds will not disturb your swim as naturally; they will shy away when people are in the area. They eat the crawling and flying insects keeping them away from your pool. Hang birdhouses or bird feeders in the area around the pool.

3. Smoke

Smoke is a natural bug repellant. The next time you enjoy a swim at night, get a campfire going and repel the irritating bugs.

If you want the smoke to be even more effective, outdoor experts advise burning some herbs such as rosemary, sage, cedar tree leaves, catnip, and mint leaves, among others, in your fire. You should exercise caution when lighting fires around kids, pets, and flammable substances like vinyl pool covers.

4. Yellow Lights

Some light colors attract bugs, but yellow lights repel them. Because they can’t see in yellow light insects, tend to shy away. You can try the yellow incandescent, CFL, or yellow LED lights at night.

5. Garlic, Onions, Mint, And Rosemary

Certain scents such as this four repel bugs. If you have a garden near the pool, you can plant them, and they will help keep the insects and bugs at bay. Do not worry if you can’t plant the herbs. Chopping them and placing them in a bowl of water does the job. Just make sure you swish the water around every so often to release the scent into the air.


You can easily keep bugs from your pool by following a regular maintenance routine. Skimm the pool every day and vacuum as needed. Apply shock treatment every week to ensure algae does not become a problem. Measure the chlorine levels regularly and apply the balancers as needed. Investing in a pool cover helps you prevent bugs from entering the pool. If you want to enjoy your pool minus the bugs, take care of it.

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