1, the reason: parrotfish rot fins may be unclean water quality, or a long time no water change caused. Parrotfish like weakly acidic new water, if the water is not changed for a long time it is easy to breed bacteria.
2. Treatment: If the parrotfish fin rot is not much, you can change the water first, once a day, one-third each time. Then raise the water temperature to 30 degrees, add two thousandths of a salt, turn on the oxygen pump to the maximum, generally can be relieved. If the rotted area is larger, you need to treat it with potassium permanganate bath. The solution can be prepared at a ratio of 3 grams of the drug in 100 liters of water, and the fins of the sick fish should be rinsed first, and then the sick fish should be put into the bath. Bath once a day, each time about 20 minutes, a week or so can be recovered.
Second, furacilinum powder bath1, the reason: parrotfish fins are relatively thin, it is easier to be injured or broken. If the fins are not treated in time after the injury, it will lead to a bacterial infection, and they will rot after a long time.
2, treatment: you can use 0.2 grams of furacilin powder to 100 kilograms of water to disinfect and clean the sick fish. If the fins are seriously injured and can not be caught, you can directly sprinkle the furacilin into the tank for a medicinal bath. You can add the powder again proportionally when you change the water every day. Adhering to this for a week will provide relief. Normally, you can also put a few tablets of hygromycin in the fish tank to prevent rotting fins.