How to do if the scales of colorful angelfish fall off?

There are four main reasons for the colorful scales of angelfish: 1, fighting or big fish bullying small fish, making the fish fall off. In this case, it is best to separate them. The injured fish will grow scales after using 0. 1% salt. 2. Inadvertently fishing makes the scales of the fish fall off. The method is as above. 3. There are sharp objects in the fish tank. If the fish is accidentally hit or frightened, it will scale off. It is recommended not to use sharp objects, such as sharp stones, in the fish tank. Fish should also be disinfected after injury, and the method is the same as above. 4, fish only have diseases, such as red skin disease, vertical scale disease, Indian disease and so on. , will make fish scales fall off. You can also use 0. 1% salt, or 1g furazolidone, or (2ppm) potassium permanganate bath. Moreover, sometimes scaling is a bacterial matter, and the best medicine is antibiotics. If you deal with bacteria, it takes 5~ 10 minutes to kill them, and then wipe your body with yellow powder. Adding salt to the yellow powder in the jar can hardly kill them. (source: PConline photography tribe)