Bleach is effective against cockroaches by damaging their exoskeleton and internal systems, but it is not a reliable long-term pest control solution. While useful for cleaning and disinfection, bleach can be hazardous if not handled properly, posing risks to humans, pets, and surfaces.
Expert Opinions. Simply put, bleach is not an effective roach repellent or killer. While it may kill some roaches on contact, it is not a long-term solution.
Some strong scents, such as lavender and mint, have been known to repel cockroaches.
White Vinegar Deters Cockroaches
It is wise to take care of a cockroach problem as quickly as possible. White vinegar is a reliable resource to use that deters cockroaches and makes them stay off your property.
The most effective way to instantly eliminate cockroaches is by using cockroach bait stations or gel baits. These baits contain poison that the roaches carry back to their nests, effectively killing the entire colony.
Citrus is one of the scents cockroaches are most known to hate, notably lemon and orange. Keeping a dish of lemon juice on your kitchen counter can deter these pests, as well as placing lemon peels around the home to discourage cockroaches from coming out of hiding.
The best roach killer, based on our research, is the advion 383920 Cockroach Gel Bait; a commercial-grade roach killer set that is easy to use and lasts months after application. It can kill all sorts of cockroaches, including the American and German variety, and it's even safe to use if you have pets or kids.
Leaving the light on doesn't deter cockroaches effectively because they can navigate in low-light conditions. While they're mostly active at night, they may still come out in search of food or water. During the day, cockroaches hide in dark areas not directly exposed to light.
This is excellent news for those who want to get rid of cockroaches. Simply mix lemon juice and water and spray it around your home. You can also add lemon juice to your cleaning product when mopping the floor to be even more effective. It's also safe and chemical-free!
Cockroaches are blessed with an amazing sense of smell. This is what they use when seeking food and mate but at the same time, this is also their weakness. A cockroach's sense of smell can be used to get rid of them.
There's a long-running joke that cockroaches could survive the apocalypse, as getting rid of unwanted roaches is difficult if you have an infestation. But if you want to kill them on contact, all you need to do is reach for your handy bottle of Pine-Sol! Considered a "contact insecticide," it kills them quickly.
Baking soda is a fast and effective way to kill roaches. When a roach ingests baking soda, the baking soda expands inside them, causing the roach to explode. Simply sprinkle baking soda on food, such as an onion, and leave it near where you've seen roaches overnight.
For homemade cockroach control, you can make a simple bait using boric acid, sugar, and water. Mix equal parts of boric acid and sugar, then add a bit of water to form a paste. Place this mixture in small containers or on pieces of cardboard and put them in areas where you have seen roaches.
Clegg's Pest Control does NOT recommend pouring bleach down a drain to kill roaches or any other reason (including monthly cleaning). Most people know that bleach sprays can be used to kill errant roaches that skitter around your floors. Bleach can kill roaches on contact.
Create a Baking Soda Trap
Mix equal parts of baking soda and powdered sugar in a small bowl. Spread the mixture in areas where roaches frequent. Look for any signs of decreased activity and replenish the mixture as needed.
Seeing a cockroach crawl across a bed isn't unusual if the insects are already making a home in your bedroom or a nearby bathroom.
Peppermint oil, cedarwood oil, and cypress oil are essential oils that effectively keep cockroaches at bay. Additionally, these insects hate the smell of crushed bay leaves and steer clear of coffee grounds. If you want to try a natural way to kill them, combine powdered sugar and boric acid.
Most cockroaches hide in dark, secluded areas by day. They can be found behind furniture and appliances, as well as under refrigerators and stoves and in cupboards or cabinets. They are capable of flattening themselves in order to fit into crevices between floorboards and walls.
What smells are cockroaches afraid of? Cockroaches are repelled by the smells of peppermint, eucalyptus, lavender, citronella, and cedarwood oils. These scents can be used as natural deterrents to keep them away from your home.
Boric acid: Used correctly, boric acid is one of the most effective roach killers. It's odorless, has low toxicity to pets, and since it isn't repellent to roaches, they will not seek to avoid it, crawling through it repeatedly until it kills them.
What causes roaches in houses and apartments? What attracts roaches to a clean house primarily consists of their basic needs: food, water, and shelter, although they are usually brought into houses and apartments on other items, such as luggage or clothing.
Many insect foggers contain pyrethrin as an active ingredient. While pyrethrins are somewhat effective against exposed flying insects such as house flies, they are seldom lethal to roaches, ants, bed bugs, spiders, silverfish, and other crawling pests.