Few household pests are as unwelcome as cockroaches. They’re fast, resilient, and seem to appear when you least expect them—often scurrying across the kitchen floor or disappearing into a drain in seconds.

If you’ve spent any time on social media, you’ve probably seen viral videos claiming that pouring a simple powder down the drain will eliminate cockroaches forever. While these hacks may look convincing, they’re rarely the complete solution.

The truth is that cockroaches are attracted to food, moisture, and shelter. Getting rid of them for good requires a combination of good hygiene, home maintenance, and proven pest-control methods.

Here’s what you need to know.

Do Cockroaches Really Come Up Through Drains?
Yes—but only sometimes.

Certain species of cockroaches can travel through plumbing systems, particularly in apartment buildings or older homes. Drains can become entry points when:

Floor drains are rarely used and the water trap dries out.
Drain covers are broken or missing.
Pipes have cracks or gaps.
Food residue and moisture build up inside the drain.
However, drains aren’t the only way cockroaches get indoors. They can also enter through:

Cracks in walls
Gaps beneath doors
Open windows
Plumbing and utility openings
Cardboard boxes, grocery bags, and deliveries
That’s why focusing only on drains usually isn’t enough to solve the problem.

Can Pouring Powder Down the Drain Get Rid of Cockroaches?
Probably not.

Many online videos recommend pouring baking soda, salt, detergent, or other household powders into drains as a “one-step” solution.

While cleaning your drains can remove grease, food buildup, and unpleasant odors, there is no strong scientific evidence that common household powders permanently eliminate cockroach infestations.

If cockroaches are nesting behind cabinets, inside walls, or under appliances, they’ll likely return even if the drain is spotless.

Keep Your Drains Clean
Although it won’t eliminate an infestation on its own, regular drain cleaning helps remove the organic matter that attracts pests.

A Simple Drain Cleaning Routine
You’ll need:

½ cup baking soda
1 cup white vinegar
Hot (not boiling) water
Instructions:

Pour the baking soda into the drain.
Slowly add the white vinegar.
Let the mixture fizz for 10–15 minutes.
Flush with hot water.
Repeating this once a week helps keep drains fresh and clean, but remember—it’s a maintenance step, not a cockroach treatment.

Remove Food and Water Sources
Cockroaches don’t need much to survive. Even a few crumbs or a small water leak can keep them coming back.

Reduce their food supply by:

Wiping down kitchen counters every day
Sweeping or vacuuming crumbs regularly
Storing food in airtight containers
Washing dirty dishes promptly
Emptying trash bins frequently
Cleaning under appliances
Avoiding leaving pet food out overnight
Just as important, fix leaking faucets, pipes, or any areas where moisture collects.

Seal Their Entry Points
Stopping cockroaches from getting inside is just as important as removing the ones already there.

Inspect your home for:

Cracks around plumbing
Gaps beneath exterior doors
Openings around windows
Wall crevices
Utility line penetrations
Installing drain covers and making sure floor drains contain water in their traps can also help reduce access.

Use Proven Cockroach Control Methods
If you’ve already spotted cockroaches inside your home, it’s time to move beyond home remedies.

Effective control options include:

Gel bait stations
Sticky monitoring traps
Boric acid products used according to the manufacturer’s directions
Professional pest control for larger infestations
These methods have much stronger scientific support than most DIY internet hacks.

Do Natural Repellents Work?
Natural remedies are popular, but expectations should be realistic.

Some people use:

Bay leaves
Peppermint oil
Cedar
Citrus peels
While these scents may discourage some insects temporarily, they won’t eliminate an established cockroach infestation.

Think of them as a small part of an overall prevention strategy—not a cure.

When Should You Call a Pest Control Professional?
Sometimes an infestation grows beyond what household methods can handle.

Consider contacting a professional if:

You regularly see cockroaches during the daytime.
They keep returning despite cleaning and baiting.
You find droppings or egg cases.
The infestation spreads to multiple rooms.
Early treatment is often faster, more effective, and less expensive than waiting until the problem becomes severe.

The Bottom Line
Cockroaches are incredibly adaptable pests, and there’s no magic powder or one-step trick that will keep them away forever.

The most effective long-term approach combines:

Keeping your home clean
Eliminating food and water sources
Cleaning and maintaining drains
Sealing entry points
Using proven pest-control products when necessary
By combining these strategies, you’ll greatly reduce the chances of cockroaches making themselves at home—and enjoy a cleaner, healthier living space.