The fish body has the erythema speech usually to suffer from the erythematosis. There are many reasons for this disease, which may be due to insufficient light and too dark environment. It may also be because the water quality is not good, or too much new water is added when changing water, which stimulates the fish. After the disease, red spots will appear, and then spread to the whole body, eventually causing the fish to rot and die.
1. Illumination: As mentioned above, this disease is mainly caused by insufficient illumination, so the first step of treatment is to increase illumination and prolong the illumination time of the fish tank. You can also install a lamp in the fish tank, which can also play a supplementary lighting effect.
2. Warming up: When a fish is sick, it basically needs to be warmed up. Increasing the temperature can improve the fish's resistance and stimulate its metabolism, which is very helpful for recovery. Usually the water temperature should be kept at about 26-28 degrees Celsius, and the fluctuation of water temperature should be avoided, especially when changing water.
3, medicine: erythema is best treated with drugs, the general choice of yellow powder, that is, furacilin. Prepare 10 kilograms of water, pour 0.2 grams of yellow powder and 250 grams of salt into it, then put the sick fish in it, soak for 10-20 minutes. You can also sprinkle yellow powder or oxytetracycline in the whole tank, but you need to change the water every few days.