Treatment methods for white hair on fish:

1. If it is caused by fungi, it is recommended that the owner change the water in time. Because there are too many fungi in the water, its condition will further deteriorate. Changing the water can improve the water quality, which is of great benefit to the recovery of the fish.

2. If it is caused by low temperature, it is recommended that the owner can appropriately increase the temperature of the pool to speed up metabolism, improve the fish's immunity, and help the fish recover.

3. You can add an appropriate amount of salt to the fish tank to improve the osmotic pressure of the water body, which can reduce the amount of water entering the fish body and avoid the invasion of bacteria.

4. If the condition of the fish is serious, it is recommended that the owner take a medicated bath and prepare povidone. You can add 20 mg per liter of water. You can also use potassium permanganate with salt water and soak the fish for 20 seconds. -30 minutes. In addition, some antibacterial drugs taken internally can also have a good therapeutic effect on fish.

Reasons for white hair on fish:

1. The fish is injured and the water quality in the fish tank is not good, causing saprolegnia to invade from the wound, causing the fish to grow white hair.

2. Fish tend to grow white hair when the temperature is low. This is because the low water temperature causes the fish's resistance to be weak, making it easier to be invaded by germs.