For goldfish tail rot, use malachite green and nitrofuracil or erythromycin. When the goldfish is rotten, you can first apply malachite green solution to the affected area of ​​the goldfish, and then sprinkle nitrofuracil or erythromycin into the fish tank for a medicated bath. At the same time, the owner should pay attention to increasing the number of water changes, which will help improve the water quality. The recovery of goldfish is also very helpful.

Tip:

When a goldfish suffers from tail rot, if the disease is not very serious, the goldfish can heal itself. The owner can increase the water temperature and add an appropriate amount of coarse salt to the fish tank for disinfection and sterilization to reduce the entry of germs into the fish body. After a few days, The symptoms of the goldfish will improve. If the condition is serious, treatment drugs will be needed.