You can put salt in goldfish. Don't put salt in normal feeding. Putting salt will change the osmotic pressure, not more than one thousandth, and it can only be crude salt. Close to the composition of seawater. Additives contained in edible salt, such as iodine, have an effect on the respiratory system of fish. It is best to release the fish when there are signs of infection, which plays a preventive role. Put 5% salt in a jar of water, and change the water after the second day. Because putting salt is killing some bacteria, be careful not to let go, which will lead to the imbalance of internal and external pressure of goldfish, and the consequences are very serious.

The role of goldfish in putting salt in water

1, salt has a certain bactericidal effect, and putting some in water properly can prevent diseases, and at the same time, it also has a certain therapeutic effect in the early stage of goldfish disease.

2. However, salt needs to be put in an appropriate amount, and when the water quality environment is very healthy and the goldfish is healthy, it is not necessary to add salt to the water.

3. The breeder only needs to ensure that the appropriate amount of salt is put in regularly to achieve the purpose of sterilization and disinfection and ensure the health of goldfish.

: Water quality requirements for goldfish:

1, goldfish has a strong adaptability to water quality, has a certain ability to resist dirty water, and is also resistant to acid and alkali. The water quality with pH value of 5.5 ~ 9.5 can survive.

2. Alkaline water quality is more suitable for goldfish growth, but the alkalinity should not be too high and the pH value should not exceed 8.5. Goldfish will have loss of appetite, sluggish movements and stagnant growth under acidic water.

3. Although goldfish have a wide adaptability to water quality, they can't tolerate the rapid change of water quality, which may lead to illness and even endanger the life of goldfish.