What Kills Roaches Instantly?

Brown cockroach lying dead on the granite floor

Roaches can quickly spread in your house, which could pose a challenge when you want to find a way of eliminating these crawling, dirty pests. As a homeowner, it is vital to learn what kills roaches instantly before they multiply, especially the ones harboring in places hard to reach.

What Kills Roaches Instantly?

One pesticide that kills roaches instantly is a spray containing ingredients such as synthetic pyrethroids, imiprothrin, and cypermethrin. These ingredients affect the nervous system of roaches, killing them quickly without leaving any residue behind. This makes it safe to use around children and pests. However, it is advisable to follow the instructions on the label to avoid any unforeseen problems.

Brown cockroach on top of a wooden pallet

Another ideal product that will help you kill cockroaches instantly is Borax. Borax is a readily available laundry product ideal for killing roaches instantly. For Borax to kill roaches quickly, mix it with table sugar and place it where roaches congregate. The sugar acts as bait, while Borax kills the roaches by dehydrating and killing them instantly.

Besides getting a product that kills roaches instantly, you also need one that provides a long-term solution to these pesky creatures. If you're doing pest control yourself, you may want to try a product from Self Control Pest, a commercial grade pest control that kills cockroaches instantly and keeps pests away for up to three months.

Other Products That Kill Roaches Instantly

Getting rid of roach infestation is a priority if you want to have a peaceful house. You must use all the means to ensure these creatures leave your home as fast as possible. That is why using a product that eliminates them instantly is recommended. Here are other products that will help you out:

Baking Soda

Baking soda is a readily available product that will help you eliminate roaches one time. To use the product, chop some onions and mix them with baking soda. Add sugar and place the mixture in a bowl. The sugar will help lure the roaches into the dish.

Next, place the bowl (with the mixture) where roaches congregate. When the roaches consume the mixture, baking soda will create gasses in their stomach, and because roaches don’t have a gastrointestinal system to release the gas, they will burst and die.

Soapy Water

This is another product you have in the house that kills roaches quickly. Spray soapy water in areas you see roaches to suffocate them. The soapy water will create a thin film around roaches, making them suffocate and die quickly.Person wearing a white PVC suit and mask while holding a red pest sprayer

Always remember that this is a temporary solution to keeping cockroaches away. You still need a permanent solution, like purchasing an effective product from reputable companies such as Self Control Pest that will eliminate cockroaches for good.

Boric Acid

Boric acid is a naturally occurring compound that is ideal for killing roaches. The product affects cockroaches’ nervous and digestive systems, killing them quickly. 

The only downside to this product is that roaches can go away when they feel the smell and return later. Therefore, you must use other products, such as a table or egg yolk, to lure the roaches.

How Do Roaches Enter a House?

It is not a surprise to wake up one night and find roaches lingering in your kitchen cabinet or roaming freely on your coaches. Remember that these creatures are living things and must do anything to survive. For instance, they must search for food and a favorable breeding ground. 

Here are some of the points roaches use to gain access to your house:

  • Cracks in Windows and doors: These are the most access points roaches use to enter your house. The body shape of roaches can help them squeeze and enter even the tiny crack in the window or door. Therefore, to prevent this, ensure that these cracks are properly sealed. Also, ensure you close all the windows during the night.
  • Holes in plumbing pipes: This is another great point roaches can use to enter the house. Remember that these creatures like moist places, and the piping system provides such an environment, especially when the pipes leak. Seal these holes and apply appropriate pesticides that have long-term effects.
  • Holes in Vents: How often do you service your vents, and do you check for holes that could be aiding pests in gaining access to the house? Old vents are known to have many holes that might invite roaches into the house. Ensure you apply an appropriate sealant to keep yourself from these crawly creatures.
  • Hitching a Ride on other items: It’s possible to carry roaches with you when transporting items such as furniture and food from a grocery store. Ensure you inspect what you carry into the house to avoid such instances. Always spray the furniture before placing it inside the house.Brown cockroach lying dead on the granite floor

Frequently Asked Questions

What Color Scares Roaches?

Roaches are mostly scared by red-colored lights. These lights are used to repel roaches away from homes. Green lights are also ideal for repelling roaches; however, they are not as effective as red ones. Therefore, you can use these colors to scare away roaches before finding a permanent solution.

Where Do Roaches Hide During the Day?

Roaches like hiding in dark and moist places during the day. They do this to hide from predators. Therefore, if you spot any cockroaches crawling in the house during the day, you likely have a roach infestation, and you should start looking for solutions.

What Is the Best Natural Cockroach Killer?

The best natural insect killer is diatomaceous earth. While some pest control products can be dangerous, diatomaceous earth is extremely safe for humans and kills roaches. You only need to sprinkle the product where the roaches congregate; it will kill them when they come into contact.


Cockroaches can be a nuisance, spread diseases, and damage properties. Therefore, it is essential to find a solution as fast as possible when these creatures invade your home. You can use readily available products such as soapy water, boric acid, or spray to eliminate them and enjoy pest free-life!

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