According to the type of fish pond, it is divided into the following two types: in the fish pond where only domestic fish are raised, ferrous sulfate is applied in the fish pond, which can treat the fish disease of domestic fish and take advantage of the fact that black fish is very sensitive to ferrous sulfate to kill the black fish and remove them; in the pond where black fish are mixed, when the pond dries up at the end of the year, all the fish should be caught. No one should be left out, otherwise it will cause great harm to the domestic fish released the next year. In fish ponds where only domestic fish are raised, ferrous sulfate can be applied to the fish pond to treat domestic fish and kill the black fish by taking advantage of their sensitivity to ferrous sulfate. How to clean the black carp in the fish pond can be divided into the following two ways according to the type of fish pond: 1. In the fish pond where only domestic fish are raised, ferrous sulfate can be applied in the fish pond, which can not only treat the fish disease of domestic fish, but also use the characteristic of black fish that is very sensitive to ferrous sulfate to kill the black fish and remove the black fish; 2. In the pond where black fish are mixed, when the pond is dry and the fish are out at the end of the year, all of them can be caught. No one should be left out, otherwise it will cause great harm to the domestic fish species released the next year. |
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