Does Baking Soda Kill Roaches?

Baking soda can eliminate the odor caused by cockroaches.

It also has a slight cleansing property, so it’s a popular pest control solution. You can sprinkle it over the surface of your Roaches’ nests and wipe it off once they are gone.

So, does baking soda kill roaches? Despite what some people think, baking soda is not an effective way to kill roaches.

In fact, it’s more likely to help cockroaches live. First, baking soda absorbs moisture from cockroaches’ bodies.

Over time, this can damage cockroaches’ organs and make them unable to breathe. Second, baking soda makes cockroaches feel thirsty.

However, cockroaches have very poor eyesight and so they won’t be able to see water. As a result, they’ll try to lick the baking soda off their bodies, potentially damaging their organs even more.

Finally, baking soda makes cockroaches’ shells feel itchy. Upon feeling this itchiness, cockroaches will try to scratch themselves off, potentially breaking their exoskeletons.

These effects combine to make baking soda a very dangerous chemical for cockroaches.

Does Baking Soda Kill Roaches?

To repel roaches, use boric acid powder or boric acid gel bait stations to keep pests away without killing them.

Then put it near entry points that lead into your house or apartment to repel them from entering your home in the first place.

Baking soda kills floor roach and other known roach species, but it does not kill wood roaches or centipedes.

The boric acid works slowly over several days to slowly poison the roach, killing it eventually.

Boric acid gel bait stations only work if the cockroaches discover them.

To kill roaches naturally, you first need to understand what makes these insects tick.

Roaches are a nuisance that can do serious damage to your health and home.

The insects often emerge from their hiding spots at night to feed on food scraps lying around on the floors of homes and offices.

Their presence poses several health dangers to humans and animals as they carry pathogens that can cause diseases like typhoid fever, dysentery and diarrhea in humans.

How Long Does It Take for Baking Soda to Kill Roaches?

Baking soda may kill roaches in as little as 2 hours. However, it typically takes between 18 and 24 hours before the roach will die.

During this period, the roach’s body absorbs the baking soda and poisons it.

The poison slowly kills the cockroach.

Unless you sprinkle a large amount of baking soda over an entire cockroach nest, it will take too long for the poison to kill all the roaches in the nest.

However, the entire length is determined by the amount of the ingredient used. The more quantity is used, the faster it kills the roach.

Baking soda kills roaches by poisoning them. Its poison both strips away roach’s protective armor and gives it digestive issues.

When roaches consume a large amount of baking soda, their digestive systems go into shock and they die.

Baking soda may be used with bait to guarantee that the roaches feed on it and die quickly.

It takes around 12-24 hours for a whole colony to die after they are poisoned with sodium bicarbonate.

How Does Baking Soda Kill Roaches?

Baking soda is a bi-product of baking bread and bread-making equipment, like ovens.

Baking soda produces a lot of energy in the digestive tracts of some species of cockroaches when they consume large quantities of it.

A cockroach’s exoskeleton is flexible, so it can absorb this energy and use it to help process food when it digests its meals.

Baking soda interacts with a waxy substance called cutin found in all insect exoskeletons.

Within the roach’s body, an exothermic reaction occurs as the cutin is broken down into its component parts.

The acid then separates into glycerol and free fatty acids that are absorbed by the insect.

Exoskeleton Dissolving and Disruption

When a cockroach coated with baking soda powder comes in contact with water, its body dissolves off, allowing its internal organs to spill out. This effectively kills the roach.

However, this is a long and painful death for the pest as it struggles to free itself from the slime coating on its body.

Increased Uneven Pressure

The cockroach is killed by the increased pressure in the insect’s body from the expansion of fluid particles caused by the exothermic reaction. The increased pressure then disrupts nerve signals and causes the roach to stop moving or breathing.

The Death Process

The cockroach eventually dies from lack of oxygen. However, it can take several hours for the roach to die after it has consumed a large amount of baking soda.

Instant Heat Release

The immediate heat produced by the reaction is another reason the roach is killed.

This heat is transferred to the roach’s body, increasing its internal temperature and eventually killing it.

How to Kill Roaches with Baking Soda

Mixing Baking Soda and Sugar

In order to kill roaches, mixing sugar with baking soda is the preferred method because it is easy to prepare.

The sugar attracts the roaches to the bait, while the sodium bicarbonate will kill them once they eat it.

Mixing Baking Soda With Flour

It is also a nice alternative to mix flour with baking soda, which some people prefer because of the pleasant smell.

However, do not mix in any oil with the flour because it will prevent the bait from sticking properly to the roaches’ bodies.

Baking Soda Sprinkled on Sweets

If done correctly, baking soda sprinkled on sweets will attract and kill many roaches at once.

This strategy, however, requires the purchase or creation of sweetened sweets, which should be coated with a layer of baking soda.

Using Baking Soda to Season Potatoes

The advantage of utilizing potatoes to bait for roaches is that the potatoes are cheap and easy to prepare.

Onion Sprinkled with Baking Soda

A freshly cut onion sprinkled with baking soda will also attract and kill large numbers of roaches.

The odor and taste of the onion will attract the roaches, while the baking soda will kill them.

Onion kills roaches in a similar manner to baking soda.

Simply chop the onions into tiny pieces and sprinkle them with a bit of salt before adding a dusting of sodium bicarbonate.

Place these baits throughout the infested area to kill the pests quickly and safely.

Sprinkled Baking Soda on Eggs

The aroma of the sticky eggs that the cockroaches lay is what attracts them to the baited areas.

Furthermore, roaches have the innate ability to smell sodium bicarbonate, so they will smell the baits as well.

For the best results, always place the baits near entry points to the home.

In addition, place the baits in a tight container to ensure that the roaches don’t become too used to the odor of the baits.

This is my personal favorite dish to use to kill those nasty little bugs.

Does Baking Soda Attract bugs?

Most bugs dislike baking soda because their bodies can’t process it very well, and they avoid places where it is present.

The soda reacts with water and releases carbon dioxide gas that stings the insects’ exoskeletons. This causes them to feel pain as they crawl through the bait.

However, cockroaches cannot sense the carbon dioxide gas released from sodium bicarbonate, so this fact alone will not prevent roaches from feeding on the bait.

However, other pests, such as ants, are repelled by it.

This is due to baking soda continuing to release small amounts of carbon dioxide even after it has come into contact with water.

Some bugs are attracted to the soda’s sweet taste.

Therefore, if you add sugar or honey to the baking soda bait, then the pest will be drawn to it and consume it to .

Also, the acidic nature of some bugs , and the presence of sugar will not attract bugs to the bait.

Also Read: Do Roaches Like the Cold?


Baking soda does kill roaches, however there are several drawbacks to using it.

Most importantly, roaches do not respond to baking soda, so using it to kill them is time-consuming since baits must be placed on a regular basis.

Also, cockroaches will frequently come into contact with the baits due to their scent, so placing bait through the entire home is required to kill the entire roach population.

In addition, cockroaches are resilient insects that can survive for several months without food or water.