Medications for sick fish:

1. Dissolve 1 gram of nitrofuracil or furazolidone in 10 kilograms of water and soak the sick fish for 10-20 minutes to treat the disease. Navel rot in fish.

2. Dissolve 0.1 grams of potassium permanganate in 10 kilograms of water and soak the diseased fish for 10 minutes, which can effectively sterilize and control the disease.

3. Immediately change one-third of the water, and add appropriate coarse salt, with a concentration of 5 parts per thousand, and heat it to 30°C to 32°C. It can be sterilized and has a great effect on fish scale loss and other diseases. Good relief.

4. Mercury nitrate and malachite green can be used to treat white spot disease in map fish. However, these two drugs have a certain degree of toxicity. The dosage must be controlled. It is best to consult a doctor, otherwise It will be counterproductive.

5. Appropriate amounts of methyl blue potion, penicillin, and green gold. Water containing these drugs can also treat common diseases of map fish.