Boric or orthoboric acid is the most popular remedy among all folk remedies. There are a huge number of recipes for its use, this substance has both positive and negative sides. With all this, the drug is usable in any premises, it does not harm people.
Generally, the agent is a white powder, odorless and tasteless. The melting point of this powder is 170 degrees Celsius. At high temperatures, the drug changes its chemical composition.
Powder is added to many mineral waters and is a natural antiseptic. This substance is also sold in pharmacies.
If for a person this substance can be useful, then for insects it is a real poison. The agent acts on the insect organism in such a way that after it enters their digestive tract, it is absorbed into the body and causes a strong peripheral irritation of the nerve endings. After that, cockroaches and other insects perish.
There are many ways to make sure that an unacceptable dose of powder gets into the body of an insect. It is not necessary to add the powder to the egg yolk or mix with vanillin or flour. It's enough just to distribute it to places where insects often move - on kitchen skirting, under the sink and plumbing.
In order to poison an insect, 2 mg of powder is enough, that is, in the theory of a 10 g bag, enough to eliminate many thousands of pests. In practice, to get rid of cockroaches with boric acid, it will need much more, since a lot of powder is consumed idle.
Sometimes liquid boric acid will be more effective, since the solution can be placed in places where cockroaches usually come to drink water, that is, near a sink or toilet bowl. So the probability of getting poison into the body of insects increases.
If the cockroaches in the house are small, then in order to poison them, it will be enough to scatter the product in the places of their accumulation and arrange solutions. After that, most of them should be poisoned, and the remaining ones - leave the apartment. However, if this does not happen, the following recipes should be used:
Among other advantages, the product is quite inexpensive. The price of a standard package of boric acid does not exceed 30-35 rubles. At the same time, the high effectiveness of the drug is confirmed by positive feedback about boric acid.
More details about the persecution of pests can be found in the video.