Borax is a readily-available laundry product that's excellent for killing roaches. For best results, combine equal parts borax and white table sugar. Dust the mixture any place you've seen roach activity. When the roaches consume the borax, it will dehydrate them and kill them rapidly.
Raid Ant & Roach Killer Insecticide Spray was found to be one of the most effective at killing cockroaches. A can is helpful for the times when you spot a roach in your home and you don't want to get too close. A roach spray should kill the bug almost instantly.
Roach Repellents
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.
Household bleach is commonly used as a cleaning agent and gives off a strong smell that cockroaches hate.
Roaches don't like the scent of mothballs, making them an effective pest repellent. Mothballs can only keep cockroaches away for a year or two since the pests adjust quickly and easily to new environments.
Mix baking soda with sugar to make a killer combination
A concoction of baking soda and sugar is an effective cockroach killer and controls the multiplication of these pests. Sugar acts as a bait to attract cockroaches and the baking soda kills them.
The poison in roach bait stations, killing bait strips, and killing gels takes about 24-hours to kill roaches that eat it. The critters live long enough to carry the bait back to the colony and share it with their nest mates.
Boric acid is one of the best home remedies to get rid of roaches naturally. Mix equal amounts of boric acid, flour, and sugar to make a dough. Set balls of dough around the home where cockroaches can feed on it. The flour and sugar will attract the roaches while the boric acid will kill them.
A typical homemade cockroach repellent uses one teaspoon of liquid dish soap and one cup of water. However, this is only effective if it can be sprayed directly on the roaches. Adding baking soda or Borax to the mix will effectively kill the roaches where they live.
Baking soda and sugar
You can try this method to eliminate the producers of the eggs. In a small container (or a bottle), make a mixture of equal parts baking soda and sugar. Sprinkle it at places where you've seen cockroaches. This is one of the easiest roach killers.
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.
A spray bottle mixed with three parts fabric softener and two parts water can be an effective way of eliminating cockroaches. The chemicals within the fabric softener suffocate the roaches. This method only works if the cockroaches come into direct contact with the mixture.
An infestation may appear to worsen after spraying your home. You'll begin to notice more cockroaches crawling around your living spaces. However, the fact that you see more cockroaches after spraying means that the pest control treatment is actually working. As discussed, it takes time before the chemicals work.
The Presence Of Food
Available food is the single most powerful reason cockroaches enter our homes. These insects aren't picky eaters—almost anything left out on your kitchen counters is fair game to them, and they'll be drawn to it.
Add some food like a small piece of meat or some sweet stuff like chocolate on the roach bait in the bowl. Keep the bowl near one of the hiding places of roaches. To cover all the hiding places, you'll need multiple bowls with sticky roach trap and food. The smell of the food will draw the roaches out.
Cedar is a natural product that repels roaches because its harsh scent acts as a deterrent. Cedar oil and cedar chips repel roaches.
Boric acid takes about 72 hours to kill a roach, but, when used effectively, it will kill every cockroach in your home. It's important to take care of infestations promptly; roaches spread pathogens and disease.
It's a fact that cockroaches are afraid of humans and other mammals or animals that are bigger than them. They see us as predators and that fear triggers their instinct to scatter away. However, they dislike strong and distinctive scents such as citrus, peppermint, lavender and vinegar.
Pour Bleach Down The Drain To Kill Roaches
Bleach is an excellent disinfectant. On top of that, bleach is a menace to bugs and pests. Pouring bleach down the drain will instantly kill the roaches hiding there.
Boric acid is a prefect bait to prevent cockroaches. Mix one part of boric acid, one part of white sugar and one part of wheat flour, and spread the mixture all around the infested area. This mixture will help in keeping the cockroaches at bay due to the harmful effect of the acid.
To find out where the cockroaches are nesting, you can use lights to get a general idea. Flipping the lights on and off in a dark room and observing where the creatures run will let you know where the nest location is. You can use a flashlight or your phone flashlight to look under furniture and other areas of clutter.
Boric Acid and Peanut Butter
Boric acid tops even baking soda when it comes to killing cockroaches. With little more than a sprinkle on the floor, boric acid acts as an all-natural poison to take down dirty roaches in just days.