What to Pour Down Drain to Kill Roaches?

If you discover roaches in your kitchen, it’s essential to get rid of them quickly.

They’re notoriously hard to kill, and they may multiply quickly. One way you can eliminate them is by pouring down drains that have cockroaches in them.

To kill roaches in your drains, you should pour down Rhone or red wine.

So, what do you pour down the drain to kill roaches? Roaches are hard to get rid of.

They live everywhere—in kitchens and bathrooms, in dumpsters and in sewers. They leave a trail of droppings everywhere they go, and they can spread disease.

However, there are a few products that you can use to kill roaches. First, you can use gel bait.

This bait is placed in voids and cracks where roaches like to hide. It works by luring roaches in and then killing them.

You can also buy traps to catch roaches. These are affordable and easy to use.

Finally, you can use boric acid powder. This powder is sprinkled on surfaces where roaches hide.

It works by dehydrating and killing roaches. Overall, you can use any of these products to get rid of roaches.

Do Roaches Come Up Through Drains?

Yes, roaches enter sewers by crawling through drains or through small openings around plumbing fixtures like sinks and toilets.

Because of the warm, wet atmosphere, enough food in sewers to sustain a large population of pests, and the accessibility of the sewer’s contents to homeowners, many homeowners use their home’s sewer system as a breeding ground for pests such as rats, mice, and others.

What to Pour Down Drain to Kill Roaches?

Pour A Mixture Of Ammonia And Hot Water

Ammonia cleanser is water-soluble and can be poured down the drain to kill cockroaches that have already found their way into the sewer system.

In a bucket, combine 1/2 cup of ammonia with 1 gallon of hot water and stir well to dissolve the ammonia completely.

To kill roaches, pour this mixture down the drain every few days until the problem is resolved.

On touch, ammonia is a pungent substance that is harmful to people as well as pets.

However, if precautions are taken, it can be very safe and effective at killing cockroaches.

Pour the liquid into a plastic container before pouring it into the sink or toilet so you don’t get it on your hands or clothes and then touch your eyes or other sensitive areas.

And then spray it in the air above the water as well-don’t simply dump it down the sink-as vinegar kills on contact too.

Pour A Mixture Of White Vinegar And Baking Soda

Baking soda and vinegar are a lethal combination for cockroaches, especially under the right conditions: when the two ingredients are mixed correctly and the conditions are right for the combination to work effectively.

If roaches eat baking soda, it will dehydrate them and cause their internal organs to shut down, leading to death from internal hemorrhaging.

When baking soda and vinegar are mixed together, a chemical reaction happens that releases a lot of carbon dioxide and quickly kills the bugs.

Simply pour 14 cups of baking soda into the drain followed by 3 cups of white vinegar and then cover the drain with a piece of duct tape overnight.

Baking soda’s inherent pH balance value means that it is neither acidic nor alkaline, so it will not cause damage to your pipes if accidentally poured down the drain instead of down the toilet.

Pour Bleach Down The Drain To Kill Roaches

To make a solution, dissolve a 5-pound box of bleach in a gallon of water. Then, pour this solution down the drain after scrubbing the walls of the pipe with a wire brush to remove grease and other debris that could stop the solution from reaching and killing the problem.

This result will not leave any harmful residue behind.

To kill roaches, you have to use a chlorine-based solution, since other solutions might not work because of how the bugs’ exoskeletons are made.

Once the solution is in the right container, flush all of your toilets and run all of your faucets for a few minutes.

Then, flush the drains once more and turn on the garbage disposal to dislodge any trapped roaches that may be in the pipes.

If you don’t want to risk getting bleach on your skin, wear a long-sleeved shirt and gloves before pouring it down the drain.

Can Roaches Come Out Of Shower Drains?

Standing water within the drain provides moisture, which will attract roaches to come on over and take a bath-literally.

Water forms a breeding ground for pests since it provides the sustenance they need to survive, reproduce, and thrive.

This is why cockroaches are often found in bathrooms and kitchens where water is present in the form of dishes, cookware, etc.

On the other hand, shower, kitchen, and other drains, on the plus side, are easily accessible for roaches-especially those living in the sewer system-since they are placed below the sink.

Water going into and out of the drain creates pools of still water where roaches like to hang out.

Depending on how big the roaches are, the shower drain can hold enough water for several hungry roach colonies to live in.

How to Stop Roaches From Coming Up Drains?

The easiest way to keep roaches from coming up your shower drain is to remove the source of food and water by cleaning your kitchen, bathroom, and other drains regularly.

These drain covers go over the openings of drains in sinks, tubs, showers, and toilets to keep large debris like hair from getting into the plumbing pipes and plumbing system. This keeps clogs from happening.

Drain guards may be used in bathrooms to keep both hair and soap scum from accumulating inside the pipes—thereby preventing blockages.

Spray some peppermint spray on the drain to keep it smelling fresh and to prevent pests from entering through the open end.

Roaches despise the odor of peppermint and will not come near it.

It will keep them at bay and also act as a natural disinfectant for the drain area.

Also Read: What Temperatures kill a Cockroach?


Pouring a combination of bleach and warm water down your shower or bathtub drains can kill off any existing roach infestation and prevent new ones from occurring.

However, if you’re going to use bleach, be sure to wear gloves and long sleeves to prevent the chemical from getting on your skin.

When bleach is used with certain ingredients, it can release toxic fumes that can cause serious harm to your lungs and skin.

Even though these gases are invisible, they are still dangerous and can kill you if you breathe them in or let them get into your skin.

This tutorial explains in detail how to get rid of roach infestations using natural ingredients that will not harm you or anyone else in the home.

There are also instructions on how to clean and disinfect other plumbing fixtures, such as the toilet or sink, to get rid of any roaches that are already there and stop any more from coming.

Remember that cockroach sightings in the kitchen and bathroom mean there are already existing cockroach populations in your home.

Clogged drains also make it easy for cockroaches to breed and grow quickly because they can eat whatever they can find in your plumbing pipes.

To reduce the likelihood of roaches in drains, make sure to clean them regularly and make sure to eliminate any sources of food and water that may be attracting them to your home in the first place.

But roaches in drains are a sign of an ongoing problem that needs to be fixed right away to stop these pests from taking over your whole house.