Bleach's Effect on Roaches Taking a deep drink of household bleach would kill anything, roaches included. But the same strong odor that keeps people from taking a swig of bleach repels roaches as well. So though it could work, in reality, it will not. It is very difficult to kill an entire roach infestation yourself.
Scents that are pleasing to humans can actually repel cockroaches. In the kitchen, certain aromas such as cinnamon, bay leaves, garlic, peppermint, and coffee grounds can be used as deterrents. In the bathroom and garage, using strong-smelling disinfectants like vinegar or bleach can help keep these pests at bay.
Boric acid Some people find this to be the best option to kill roaches. Boric acid can work too, the only downside is that sometimes roaches will go away as soon as they smell boric acid.
Pine-Sol and Fabuloso are strong, all-purpose household cleaners. Similar to bleach, these products kill roaches on contact. Some homeowners suggest spraying Pine-Sol around the outside of your house to keep cockroaches away.
Distilled vinegar does not kill or repel roaches, making it completely ineffective. Distilled vinegar will help keep your kitchen clean, giving cockroaches less to snack on. However, roaches can live for months at a time without any food at all, and they will eat almost anything to survive.
For cockroaches, window cleaner can make them temporarily unconscious so that you can squash them. This works on initial contact, but Windex will not continue to kill bugs after it has dried. Laundry Detergent – Dilute a few drops of laundry detergent or dish soap in water and use the mixture as a spray.
Good old-fashioned soap and water is a safe, reliable, and inexpensive method. Create a soapy water solution that you can spray with a bottle. It will only take about 2 – 3 sprays to kill any roaches, as the soapy solution will cover their breathing pores and suffocate them.
Citrus. You may love the smell of fresh citrus, but cockroaches hate the scent. That means you can use citrus scented cleaners in your kitchen and bathroom to chase any lingering roaches away. You can also keep a few citrus peels around your home in strategic places.
Eucalyptus oil has a strong scent that seems to have some success in repelling roaches. You can dilute it with water and spray areas you think cockroaches might have nested.
Lemon contains limonene, which does in fact repel cockroaches.
Since cockroaches are nocturnal, your best bet is to reapply each night before you go to bed. That way, when the roaches are most active, your peppermint oil repellent is at its strongest.
Eucalyptus essential oil has a fresh fragrance that, surprisingly, seems to confuse or alarm cockroaches. This stuff is strong and you'll only need to mix a few drops with water and spray it around the cockroaches' hotspots to repel them. Research has also shown that eucalyptus essential oil is toxic to roaches.
Boric acid is a powerful natural home remedy for getting rid of roaches overnight. Mix equal amounts of boric acid, flour, and sugar until it becomes a dough-like consistency. Place small pieces where the roaches can feed on them.
Cockroaches are attracted to your home by the smell of food. They are most attracted to starch, sugar, grease, meat, and cheese. Rotting fruits and vegetables can also give off a very pungent smell that will definitely attract these pests.
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.
Yes, Lysol does kill roaches! It does this by suffocating them. Roaches breathe through openings on their back called spiracles. The Lysol penetrates the spiracles, causing them to choke and die.
This one's a myth. Salt doesn't kill cockroaches. However, epsom salt (a.k.a. magnesium sulfate) is toxic to roaches. Use it just like baking soda.
By keeping a clean dwelling, you'll give roaches less of a reason to intrude upon your happy home. There is more to keeping roaches at bay than just having spotless floors, however. Let's look at potential trouble spots that you may have overlooked during your most recent cleaning spree or inspection.
White vinegar is a known cockroach repellent. To use it, mix equal amounts of water and vinegar and sprinkle on the area where the cockroaches come out. This works just as well as boric acid. Hot water is probably the easiest solution on this list.
Body soap and shampoo can also be effective solutions, as they can block the roach's spiracles, or the respiratory pores, and essentially cause the roach to suffocate. Such products also have surfactants in them, which eliminate the protective waxy outer coating of the roach's shell.
Alternatively, let the lavender steep without heat for two days. Strain the lavender out of the mixture, let it cool and put the lavender water into a spray bottle. According to the hack, just spray this where you see roaches and it should repel the nasty bugs from your home.
longipalpa because it caused 100% mortality of the cockroach nymphs at all concentrations (Table 1). The next most effective oils were oregano and eucalyptus oils because they killed 100% of the nymphs at the concentration range of 5–30%.
Skip the Tea Tree Oil
Tea tree oil, one of the more popular essential oils, has been said to kill roaches; however, it's completely ineffective.
Answer: It is always advised to make your application either in the early morning or early evening time. You don't ever want to make an application of insecticide or herbicide during mid day when the sun is at its hottest.