1. how to disinfect

the dead fish in the fish tank? After the dead fish in the fish tank, you need to fish out the fish inside, and empty all kinds of equipment at the same time, so that the fish tank is empty. Then pour water into it, and pour potassium permanganate and other drugs to soak the inner wall of the fish tank, which can play a bactericidal effect, no matter what kind of harmful bacteria that endanger the survival of fish, can be eliminated in this way. After disinfection, it should be washed several times to prevent drug residues, and then fish can be kept in water.

Potassium permanganate: Potassium permanganate is a commonly used disinfectant in the past, which can be used in many cases, whether to disinfect fish tanks or fish, or to treat and prevent some fish diseases. It should be noted that its concentration should be well controlled, otherwise it will cause phytotoxicity and pose a threat to the health of fish.

2. Povidone iodine: Povidone iodine is a medium-effect disinfectant. Compared with potassium permanganate, its biggest problem is that it can change the color of metal, so it needs to be wiped after disinfecting the fish tank, otherwise it will affect the viewing. In addition, it can also soak sick fish to treat some diseases.

3. Chlorine dioxide: Chlorine dioxide is a new type of disinfectant, which is also the mainstream used at present. It is not only used in a relatively small amount, but also has a better effect, and is almost harmless to fish. It should be noted that this drug has a certain pungent odor, and attention should be paid to indoor ventilation when using it.