You can put salt in the koi fish tank. Salt has many functions, the most important of which is sterilization. Putting salt in the tank can purify the water quality, enhance the immunity of the fish, increase the vitality and appetite of the fish, and help the koi grow healthily. Salt is best to put coarse salt, edible salt can be emergency, but it is not recommended to put often, because edible salt contains iodine, iodine will cause harm to fish. Industrial salt is not recommended to use, industrial salt is toxic, fish will be poisoned after eating by mistake.
Koi is a freshwater fish, as long as the water quality is kept clean, the temperature is stable, the fish is healthy, and no salt can be added.
To put salt in the tank for raising brocade carp, if it is to prevent diseases and control bacteria, the correct concentration of salt is three thousandths, and three catties of coarse salt is put in one thousand catties of water. If it is to kill parasites, it is necessary to increase the concentration, put five thousandths of the concentration. But if you put too much salt, it will make the water muddy, the water quality worse, and the skin color of the fish lighter. When the situation is serious, it will make the koi very fragile, dehydration and even death.
