If the fish tail is rotten, you can take a medicinal bath with yellow powder, gentamicin and other anti-inflammatory drugs. After discovering that the fish's tail is rotten, the owner should immediately isolate the sick fish for treatment. First, change the water, increase the water temperature, and then add an appropriate amount of coarse salt to the water for disinfection and sterilization. If the fish's condition is not serious, it will get better in a few days. , if it is more serious, it needs to be treated with medication.

Tip:

The phenomenon of tail rot in fish is mostly due to the influence of water quality and water temperature. Therefore, when raising fish, owners should pay attention to controlling the water temperature and water quality, especially when changing the water. The temperature difference before and after changing the water should not be too large, otherwise It will affect the health of the fish.