salt in the fish tank? If there is too much salt in the fish tank, the fish will die soon. Usually, freshwater fish do not need to add salt, often adding salt to the water does not help, but also makes the salinity of the water difficult to control, once excessive, it will affect the health of fish. Usually, the concentration of salt will not exceed five thousandths, and only when you are sick, you need to put a little.
of adding salt? 1. Change the osmotic pressure: Usually, salt is seldom added to freshwater fish, only when the fish is sick. The purpose of adding salt is not to cure the disease, but to change the osmotic pressure of the water body, because the osmotic pressure of the water body is smaller than that of the fish body, so the water will constantly infiltrate into the body, and the bacteria will also enter. After adding salt, the osmotic pressure of the water can be adjusted to reduce the entry of water, so as to prevent the invasion of bacteria.
2. Sterilization and disinfection: Salt also has the effect of sterilization, but the requirement for concentration is relatively high. Fish can not live in this concentration of salt water for a long time, so it is rare to add salt directly to the tank. Instead, prepare a special disinfection container and soak the fish in it for a few minutes.
3. Seawater environment: In addition to freshwater fish, there are also many ornamental fish species in marine fish, and they need to live in the seawater environment, which requires adding salt to the water to make seawater. It should be noted that the salt used to mix sea water is not ordinary salt, but special sea salt.
