1. Isolation medicated bath 1. Reason: When they are damaged due to friction during transportation, the wounds on the body will be extremely susceptible to bacterial infection. At this time, it is possible to suffer from black spot.
2. Treatment method: separate feeding in time and medicated bath with malachite green solution. Generally speaking, the concentration of drugs is 0.3%. Soak for ten to fifteen minutes each time, once a day. Their black spots will heal in about a week.
2. Change water in time1. Reason: When the water quality is aging, the water will contain a lot of ammonia nitrogen. They are harmful to fish. At this time, black spots will appear on the surface of the fish body.
2. Treatment method: Change water in time. In order to prevent them from getting sick due to sudden changes in water quality and environment, the amount of water exchanged at this time should be controlled. Change the water for about one third of the fish tank water every time, and change the water three times a week.
3. Oxygen explosion rest1. Reason: When the water quality changes suddenly, goldfish will also have some abnormal reactions, such as black spots on the body.
2. Treatment: What the breeder should do at this time is to increase their metabolic capacity and rest, so as to wait for them to adapt to the environment at this time. Specifically, you can use an oxygen pump to input enough oxygen into the water, and then rest.
