Best Roach Killers

Best Roach Killer For Apartment Buildings?

Roaches are one of the most annoying pests in apartment buildings. They cause many problems such as: noise, odor, dust mites, and other insects. Most apartment building owners do not want these unwanted critters living there. There are several ways to kill them, but they all have their drawbacks. Some methods involve using pesticides or toxic chemicals which may harm your health if used improperly. Another way is to use traps, but they need time to work properly. Finally, some methods involve hiring exterminators to come out and kill off the problem. However, it takes a lot of money up front and the job usually isn’t done right away either.

So what’s the solution?

You could hire professionals like pest control companies or exterminator companies to eliminate this nuisance for you.

But why pay someone else when you can do it yourself?

What Is A Roach?

A roach is a small insect that resembles a fly. They are common throughout the world, but especially in warm climates where food sources are abundant. They feed on blood and excrete a sticky substance called honeydew from their bodies. These insects are nocturnal and prefer dark places during the day. Their life cycle lasts only two years, so they’re easy to get rid of once they’ve been found out!

What Are The Different Types Of Roaches?

There are four types of roaches: American,German (also known as Brown Banded), Asian, and Oriental. Out of all these, the American and German are the most common in North America, while the Asian and Oriental are more common in areas around the Pacific Ocean. All types prefer warm weather and dark, secluded places to live. They often infest sewers, subways, basements, and drains. they prefer soil rich areas and often climb trees to build their nests.

How Do You Get Rid Of Roaches?

There are many ways to get rid of roaches, but it is important to find the root of the problem before you can eliminate them. For example, if you have an infestation in your kitchen, you must find where they’re coming from (such as the pipe under your sink) before placing a trap there. The same theory applies to the rest of these solutions.

1. Boric Acid

Boric acid is a popular non-toxic solution used to kill roaches. It is made of borax, a naturally occurring mineral that is harmful to insects. Many people use it to get rid of ants as well. The first step is to find out where the roaches are getting in. Then, you spread the boric acid in a very thin layer where they walk.

You should see results within a few hours and they should be dead within a few days. Afterwards, you can sweep up the remains.

2. Chalk


Yes, chalk! Roaches aren’t exactly known for being great climbers, so all you have to do is draw a line of chalk across any point where they may try to climb up. Chalk is a loose material and they won’t be able to get a grip on it, causing them to fall and die. Plus, it’s easy to clean up.

3. Cat Food

You may be familiar with the term “bringing a mouse trap” when describing ways of dealing with problems. This is similar, but instead of using a mouse trap, use cat food! Roaches are attracted to animal proteins, so if you spread a layer of cat food on the floor, the roaches will be more than willing to go near it. After they’ve indulged themselves, you can simply wipe up the food and continue the process until there are no more bugs.

4. Cucumber

This is similar to use chalk, but this time you slice up a cucumber and put it in a bowl. The roaches will be attracted to the vegetable and climb inside to eat. While their claws are doing the work, they won’t be able to get out! This solution is best if you have a few large roaches to get rid of.

5. Diatomaceous Earth

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This material is a fine powder made out of crushed shells. It is even dangerous to humans if inhaled, so you should wear a mask while spreading it. Roaches can’t handle the sharp edges of this powder, so they’ll die if they walk through it. You can even use it in your garden or to get rid of slugs!

6. Flour And Sugar

Are you baking?

Then you have everything you need to get rid of roaches! The process is similar to using chalk, only instead of that you spread flour and instead of cat food, use sugar. The roaches will be attracted to the sweet smell and die as soon as they walk through.

7. MothBALLS

These are exactly what they sound like, only they won’t make your clothes smell musty! They’re made out of a certain type of clay that is poisonous to roaches and other insects. It’s best used in a container without any holes in the top where you can simply remove the roaches when you see them.

8. Petroleum Jelly

Like the name suggests, petroleum jelly is a gooey substance that comes from petroleum. You can spread it around your cabinets and other furniture to stop roaches from climbing over or walking through it. If you notice any of the bugs, then you can simply wipe off the jelly and replace it.

9. Salt And Sugar

Another sweet one! This time, you need to mix equal parts salt and sugar, then spread it around the kitchen within small mounds. The roaches will be attracted to the sweet taste, only to die soon after. You won’t even have a corpse cleanup to worry about!

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10. Vinegar

Acetic acid is the active ingredient in vinegar. It is known to kill insects when they come into contact with it. All you need to do is make a 50/50 mix of white vinegar and water, then use a spray bottle to apply it to cabinets, inside cupboards and anywhere else you’ve seen roaches.

11. Washing up Liquid

You won’t be able to wash your dishes with this one! Simply mix 90% water and 10% washing up liquid to create a sticky substance that will stop the roaches from climbing across your kitchen floor. It is especially effective when used in conjunction with the flour and sugar method.

12. Yellow Food Coloring

This one is similar to using chalk, only the roaches will be attracted to the yellow color rather than the taste. All you have to do is mix a 50/50 ratio of water and food coloring to make a solution, then spread it around your kitchen floor. You can also use this same technique using red dye to target fire ants!

13. Baking Soda And Essential Oils

Baking soda is well known for its absorbing properties, and this method takes advantage of that to get rid of roaches. All you need to do is mix 90% water and 10% baking soda to create a runny paste, then add 5-10 drops of any essential oil to improve the smell (lavender is one good choice). Spread this paste anywhere that you’ve seen the bugs walk.

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14. Bay Leaves

Most insects will not cross over bay leaves, so all you need to do is find a way to spread them around your house. One easy way is to get a bowl and place as many bay leaves in it as you can, covering the bottom. Place this in areas where you’ve spotted roaches, then check after a few days to make sure none have fallen out.

15. Borax And Sugar

This is another sweet one! Combine 2 cups of borax (found in the laundry isle) with 1 cup of sugar and mix until it forms a powder. Spread a thin layer of this around areas where roaches tend to walk.

16. Cat Food

Cats are natural predators of roaches, so if you have one then all you need to do is leave some open tins of cat food around infested areas. The cat will eat the roaches before they have a chance to get near your kitchen.

17. Charcoal

You can find charcoal in the BBQ section of your local store and it is great at absorbing moisture. This makes it an effective roach killer as the bugs will die from dehydration if they walk through it. It’s possible you may need to reapply this depending on how bad your infestation is.

18. Cigarette Nails

These are little metal spikes that you can get from your local tobacconist. The theory is that the roaches will mistake them for eggs and puncture themselves while trying to carry them away. They’re not a perfect solution, but if you have an infestation they may be worth trying.

19. Cold Strips

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These can be used in much the same way as glue boards, only instead of using sticky glue they use cold. Simply place them in the area with the highest roach activity and wait a few hours. The bugs will get on the strips then die of cold because they can’t handle low temperatures.

20. Diatomaceous Earth

This is a powder that you can find at most health food stores and is used to kill slugs and other pests. It cuts through the waxy exterior of insects so that they dehydrate quickly when they come into contact with it. It’s a very effective solution.

21. Feed Them Poppy Seeds

Poppy seeds are deadly to insects and even roaches won’t be an exception to this rule. Find a small container (like a film canister) and mix the seeds with some water. Use a stick to spread the mixture over areas where you have seen or expect high roach traffic.

22. Furniture Movers

These are adhesive strips that can be used to move heavy furniture without causing any damage to the floor or the furniture itself. They’re also handy for killing roaches as you can place them down then pick them up a few hours later.

23. Gatorade

The electrolytes in Gatorade and other sports drinks are very effective at killing roaches. Simply mix up a batch then spread it around your kitchen floor. The roaches will dehydrate and die.

24. Glass And Aluminium

If you happen to have some left over pie tins or other bits of scrap metal then this is a simple but effective way to kill roaches. All you have to do is hide the aluminium and glass in areas of high roach traffic then check after a few hours to see if you’ve succeeded.

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25. Hairspray

Just like humans, roaches can’t stand hairspray. If you happen to have some in your home then simply spray it at roaches and they should die shortly after coming into contact with it.

26. Ice Cubes

If you have an infestation of roaches all over your kitchen then this is a good way to get rid of them without spending money on pesticides. All you have to do is take some ice cube trays and fill them with water. Wait a few hours then place the cubes in and around your cabinets and other known roach hotspots.

27. Listerine

Like hairspray, listerine is hazardous to roaches. If you happen to have a bottle lying around then simply spray it at any roaches you see. It should kill them quite quickly.

28. Lye

This is a very dangerous chemical which should only be used as a last resort to kill roaches. It’s readily available online, however, if you need to order some. Carefully spread it around your kitchen floor and other high traffic areas and the roaches will die soon after coming into contact with it.

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29. Nail Polish Remover

Like listerine and hairspray, nail polish remover is very toxic to roaches. It’s a good idea to use gloves when handling the stuff and don’t let it come into contact with your skin.

30. Pantyhose

If you catch a roach then there’s a good chance that you can trap all the others in your home inside a pair of pantyhose. Hang it from a door knob somewhere in the kitchen and in a few days you should be able to dispose of them all safely.

31. Pepper

You can place cayenne, chili, or any type of hot pepper in areas where you’ve seen roaches. They should avoid it and eventually die due to eating it over a period of time.

32. Pesticides

There are various pesticides that are labelled as effective against roaches. Buy some and apply them around the most commonly visited roach locations in your home.

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33. Soap

Soap is toxic to roaches and it is fatal when eaten, so if you have some in your home then spread it around your cupboards.

34. Sugar And Water

This isn’t going to kill all of the roaches in your home but it will get rid of the younger ones. Take a bottle of cheap wine and mix in about three tablespoons of sugar per glass of wine, then top up the glass with water. The sugar will attract the younger roaches but the alcohol will prevent them from crawling out of the glass to drown.

35. Yellow Cornmeal

Roaches are attracted to dark colours as well as sweet things so they’ll follow the trail of yellow cornmeal back to wherever your infestation is coming from. Place a trail of it leading to where the eggs are kept, for example, and you should be able to wipe out quite a few of them.

If you have friends or family who keep chickens you can try collecting some of their old eggs for this. The roaches will be attracted to the eggs and once they’ve eaten them they’ll soon die. This is a good way of dealing with roaches without having to risk handling them yourself.

Watching the little blighters scuttling about your kitchen at night is one of the most horrible feelings imaginable.

A few people are lucky enough never to have had the experience, but for many of us, it’s a recurring nightmare. Just the other night, I was awoken by the skittering of tiny feet across my kitchen counter. In the darkness, I could just about make out two beady red eyes staring back at me.

One of the big ones.

I knew I had to act fast, so I leapt out of bed and ran into the kitchen. The roach disappeared under the cabinets, and I remembered I was naked. It was at that point, my cat walked into the kitchen.

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She must have chased that thing under the cabinets while I was asleep, because she was standing guard at the entry point.

She stared at me like “Well what are you waiting for?”

So I grabbed a shoe and squashed that sucker.

I’ve had some close calls in the past: once I was asleep on the couch when one of the big ones crawled up into my shirt. Luckily, I woke up when I felt something crawling on my back, so I jumped up and threw my shirt off.

Both times, my cat was nowhere to be found.

Nowadays, I’m like a hawk when it comes to roaches. If I think I see one, I’m already on high alert, so most of the time I catch them before they have a chance to run and hide.

Still, it’s not a good feeling waking up to one of those nightmares.

So what can you do to prevent roaches in your home?

There are several options, some of which are chemical and some of which are physical.

Cockroach Prevention

1. Clean Up After Eating

This may seem obvious, but it’s a big one. Food scraps are like gold to a roach, so the more you consume and then leave uncleaned, the more tempted your roaches will be to have a feast.

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Clean up food scraps as soon as you’re done eating. Also, some foods are more attractive to the little blighters than others. For example, roaches love milk and it’s very difficult to clean up the remnants of a tipped over glass of milk. On the other hand, they don’t like hot sauce. So feel free to leave a bottle of tabasco or sriracha around if it makes you feel better.

Also, try to keep your trash bin closed. If the roaches can’t smell the food scraps inside, they’ll move on and look for another source of food instead.

I’ve also heard that the little blighters can smell food from a mile away, so if you leave your kitchen at night and there are roaches there in the morning, it’s likely that they were attracted to the scent of food from miles away. It’s not just what’s currently in your home that can attract them.

2. Clean Your Kitchen

The less crumbs, the less likely a roach is to want to hang out with you. The more you can clean up after yourself and keep your kitchen sparkly clean, the less likely a roach is to want to live in your home.

You also want to keep all surfaces as dry as possible.

You see those little yellow tubes that sell a certain brand of canned coffee?

Those are perfect roach traps.


They are made of a nice smooth plastic that is dry most of the time. When a roach crawls inside to get the scarce bits of solidified canola oil, it gets stuck and then other roaches come and eat it and then they also get stuck and soon you have a trap.

These yellow tubes are like gift packages for roaches. So try to keep them out of your home and especially out of your kitchen.

3. No Food Or Water Sources Nearby

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Keep your kitchen as dry as possible because dampness encourages roaches. This also includes food and water sources for them. If you have a pet, keep their food far from the kitchen. If you have a garden, don’t keep bowls of water near it.

If you see any nearby non-human water or food sources, take them away. For example, if you keep bees and see a bunch of dead bees near the back door, that might be an indicator that they are sneaking outside to get sugar-water somewhere. Move hives or remove any outdoor feeders.

4. Vacuum Cleaner

If you find a bunch of roaches in your home, it’s time to break out the big guns, your trusty vacuum cleaner.

Go around your home with a strong vacuum and suck up any roaches you find. It’s also a good time to clean your carpets. If you have hardwood or tile floors, then it’s a bit easier because you can just mop up any roaches you find.

Here’s the important part. After you suck up the roaches, take the bag out of your vacuum and throw it away immediately. Then take the vacuum outside and spray it out with some hot water. You really need to get the inside of the vacuum as clean as you can.

Then, take out the filter and spray it with hot water as well. Dry everything off and then put the filter and bag back in the vacuum. It’s now time to go around your home again and do the same thing all over again.

This may seem like overkill, but if you don’t get rid of that roach smell, they will keep coming back no matter what else you do. You can also do this with mop water and a mop, but it’s much easier with a vacuum since you can throw the bag away each time.

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5. Clean Up After Yourself

This may seem like common sense, but it’s easy to forget. Roaches are attracted to not just food and water, but also garbage. If you leave a pizza box on the floor, it’s going to be harder to get rid of the roaches.

Before you go to sleep, make sure that you clean up all of your dishes and put them away. Then, take any leftover food and throw it away. Wipe down your counters and table and then…

Take out your garbage (and not just the bag, but the can as well). Throw away any other items that have gone past their expiration date.

Once you do this, it’s time to get some sleep.

6. Keep Cleaning Up

This is the part that most people give up on. After that first night where you got rid of everything and cleaned up, a few days will pass and you’ll stop doing it. Soon, you’ll get lazy and not do it for weeks and then months on end.

How long will it take before you have a huge mess again? Days? Hours? Minutes?

Never let your guard down!

Keep your place clean at all times. This is easier for some than others, but everyone should try. If you want to be like me, get a small trash can for your room and throw away everything that you don’t need. Keep only what you need and nothing else.

This isn’t just about getting rid of roaches either. If you want to keep your mind clear and focused, a messy environment will just distract you. You need to keep your room, clothes, and body clean at all times. Pick up anything off of the floor (including yourself) and keep everything orderly.

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This is just like keeping your car clean. The less messy your home is, the less likely you’ll be to eat junk food and just veg out in front of the TV all day.

This is going to be hard at first, but it will become habit pretty quickly. Soon, your friends will be coming over just to check out how clean your room is. Keep up the good work and you’ll find that your grades improve and your mind is much more focused at school and work.

7. Roaches Might Still Be Around

They might be lurking in the darkness, but that doesn’t mean that they aren’t still around. You can try a few different things to get rid of them permanently.

Citrus is one of the best smells for getting rid of pesky insects. Lemon, grapefruit, and even oranges will all work wonders. You can either try to get them to eat it, or you can just use the peels. With a peel, all you need to do is make sure that it’s dry (since roaches won’t go near anything that’s wet). You can also use these as potpourri since they smell so nice!

This is an essential oil that is good for getting rid of roaches. Just mix a few drops into a bowl of water and place it in the rooms where you still see them lurking. They will go crazy and jump in, but they will soon die.

There’s really nothing better than mint to get rid of roaches. You can either get some mint plants and place them in areas where you see roaches or you can buy some mint oil and use that. If you decide to get the mint plants, then your mom or dad might get suspicious though since they look a lot like marijuana plants so you have to be careful.

8. Bait ’em!

This step involves getting some bait to lure the critters out of hiding. Different types of bait will work for different types of roaches. You may have to try out several different baits before you find the right one for the roaches you’re trying to catch. The good thing is once you do find one, you can just keep reusing it.

Where to Place Them

The first step in baiting is to find out where the roaches are living. For this, you place the little bits of bait in all of the places that you think they might be living.

Sources & references used in this article:

Roach killers and shit kickers: Life and times with cowboy boots by R Geitz – 2011 –

Dead Reckoning: The New Science Of Catching Killers by MMBM Roach –

Roach exterminator by RG Harris – US Patent 1,700,517, 1929 – Google Patents

Chemical immobilization and killing of intra-aural roaches: an in vitro comparative study by J Salavert

Child homicide: generating victim and suspect risk profiles by S Leffler, P Cheney, D Tandberg – Annals of emergency medicine, 1993 – Elsevier

Application of a new controlled release concept in household products by M Ioannou, L Hammond, J Roach… – Journal of Criminal …, 2015 –

Child homicide: generating victim and suspect risk profiles Original Citation Roach, Jason and Bryant, Robin (2015) Child homicide: generating victim and … by AF Kydonieus, AR Quisumbing, S Hyman – 1976 – ACS Publications

Killing of Gyrodactylus salaris (Platyhelminthes, Monogenea) mediated by host complement by K Evans – 2001 – … DIVISION 249 W 17TH ST, NEW …