Original link: https://102no.com/2023/04/20/kill-roach/
I saw a post on V2EX today asking how to get rid of cockroaches. I remembered that I have been fighting against cockroaches for so many years, and I have taken a lot of detours. I bought “cockroach poison” and “rat poison” from the village in the city before. Bayer’s bait glue, cockroach stickers, and the small black box on the wall all have some effects, but they are repeated repeatedly, and cannot achieve a continuous effect of killing cockroaches. The cockroach control program currently in use is more feasible, and it has been going on for a long time, and the cockroaches are basically invisible at home.
Summarize a wave of experience, water an article 
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dinotefuran
Buy the kind of spray with “Dinotefuran” ingredient, or buy the powder and mix it yourself, and then continue to spray for a period of time. After a period of time, you can basically keep it. This thing is a relatively new technology. At present, it can deal with most cockroaches.
There are many introductions about the ingredients or the effect of use on Zhihu. It is basically a stimulant similar to cockroaches, so cockroaches are particularly excited when they are killed. The most important thing is to inhibit cockroach egg sheaths and prevent the next generation from harming the world.
Experience
- Where to spray: In fact, there are many cockroach dens in the house, so just spray them according to these places, and spray some places where cockroaches often appear. Another thing that is often overlooked is foreign cockroaches. Take home, buildings, etc., and kill them at home However, cockroaches will still come in from the outside, so it is best to spray some at the entrance and exit of the house, inside and outside the door cracks, outside windows, and window cracks.
- Spraying time: After the first spraying, a large number of adult cockroaches will die, and the house will be relatively clean for a long time, so how to judge when to spray next time, you will see some small cockroaches When it is infested, it is actually the next batch of small cockroaches born again, and spray it again according to the method in [1]. This cycle goes on and on, so that you will find that the time interval for each subsequent spraying will be longer, and it will remain relatively clean. You can spray it regularly later, and you can keep it for a long time.
- At the beginning of spraying, you will see all the cockroaches running out in all directions, dancing and dying. It is a normal phenomenon, especially if you spray a large amount for the first time, you will be startled. Don’t panic, basic exercises.
- “Dinotefuran” is slightly toxic to humans. Although the cockroach-killing content is very low, if you have children at home, you should pay attention to it and keep children away.
- I don’t know the pet toxicity of “Dinotefuran”, you can search it yourself, but it should be within the controllable range.
brand
You can directly search for “Dinotefuran” on Mayun.com. The ingredients are basically very low and safe. There are sprays directly, or you can buy powder and mix it yourself. Just find a cheap one and buy it. The best seller now is “BASF “This is what I’m currently using.
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