Keep the coffee grounds and let them dry thoroughly. Then put them in a saucer covered with aluminum foil and, using a lighter or match, set fire to the coffee, being very careful not to burn yourself.

Do this in a safe place to avoid possible accidents.

Obviously, the coffee will not generate a flame, but a lot of smoke and it will be the latter that will keep mosquitoes away.

In stagnant water

Mosquitoes breed in areas where stagnant water is present, such as the saucers of our plants.

Place coffee grounds in places where standing water is present to give mosquito larvae less chance of developing. In addition, mosquito eggs are attracted to the surface of the water and deprived of oxygen due to coffee grounds, so they will die.

On the soil of plants

Spread the coffee grounds on the surface of the plant’s potting soil. In addition to having a fertilizing action, it will protect plants from ants and other insects.

Coffee grounds will also help keep mosquitoes away.

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