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.
Soapy Water: Surprisingly, dousing a cockroach in soapy water will suffocate and kill it. Filling a spray bottle with dish soap and water, shaking it, and spraying a roach from above will kill it quickly. Traps: Most cockroach traps will kill cockroaches quickly.
The most common materials and methods exterminators use to perform cockroach extermination are gel bait insecticides, fumigation, boric acid, hydramethylnon, and fipronil.
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.
Bleach can kill roaches on contact. However, pouring it down a drain can potentially release toxic fumes, and cause long-term damage to your system. While the use of bleach may help with a cockroach problem, because of its toxic nature it should never be poured down a drain or toilet.
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.
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.
Diatomaceous earth is a natural way to deal with cockroach. It is available in fine powder form that sticks to roaches body and kill them by dehydration process. Diatomaceous eath is also very effective in killing the roach eggs. It is best method to use in fine areas, as DE fine powder can reach inside the cracks.
While cockroaches are one of the most common pest problems, they are also one of the most stubborn. Infestations are hard to get rid of because the insects hide in a host of areas, breed quickly, have a very high reproductive potential and may develop resistance to pesticides.
While roaches can be especially hard pests to get rid of, with a few tries, you can successfully get rid of them without calling out an exterminator. The best home remedies to get rid of roaches without an exterminator are boric acid, diatomaceous earth, and baking soda.
Which is better – a cockroach spray or a bait? A. Go with a cockroach bait – unless you have a heavy cockroach infestation, in which case you probably need professional help anyway.
1) Keep the home clean; kitchens are prime locations for cockroaches as they feast on leftover food and scrapes layout on the counter tops or in the pantry. Pet food can also be a target for the night time munchies. 3) Rubbish bins can attract cockroaches looking for winter snacks and an area to hide.
The two main species of cockroach found in the UK are the German cockroach and the Oriental cockroach. The German cockroach prefers warm, moist environments, particularly heating systems in large buildings. It can swim, fly, climb smooth surfaces easily and hide in inaccessible places.
Cockroaches are attracted to all types of food available in your home. They will eat anything from foods, paper, packaging, plastics and fabrics to animal matter (i.e. hamster and rabbit droppings). If you suspect a problem in your home or business there are some simple ways to tell if have cockroaches.
Dusts – A few insecticides used for cockroach control are applied as dusts or powders. Most familiar to householders are boric acid and diatomaceous earth. For controlling cockroaches, boric acid tends to be more effective. Roaches succumb to boric acid after crawling over treated surfaces.
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.
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.
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.
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.
'Salt doesn't kill cockroaches!
It repels them.
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. You just need to identify their hideouts and sprinkle this mixture in those corners.