goldfish water mold can't heal itself under normal circumstances, because the main reason for goldfish suffering from water mold is bacterial invasion after external injury. Water mold can only be found after hyphae grow. At this time, goldfish has been sick for a long time, and the disease situation has been more serious, so it is impossible to heal itself by relying on its own resistance and immunity. In addition, it is difficult to treat goldfish after suffering from water mold. Even if the breeder takes medicine immediately after finding it, it may not be completely cured. Therefore, it is difficult for goldfish to heal itself after suffering from water mold.

1. Isolation: After goldfish suffer from water mold, breeders need to transfer them to a separate fish tank first. Because water mold is contagious to some extent, if it is not isolated, it may be transmitted to other fish.

2. Water change: During treatment, breeders need to change their water every day to keep the water clean. It is best to install a filter to slow down the deterioration of water quality.

3. Medicine: If goldfish water mold is serious, breeders need to use 3ppm malachite green solution to give them a medicine bath. Take a medicated bath once a day for 20 minutes each time, and you will see the effect in a few days.

4. Sterilization: The breeder can also install an ultraviolet germicidal lamp and turn it on for 4-5 hours every day, which can kill the mold on the goldfish's body surface.