why the fish are crowded in a corner. It may be because the fish are sick, or because the water quality is not good, or because they are frightened. If it is a disease, we must first find the cause, and then put the medicine into the jar, commonly used is yellow powder. If it is a water quality problem, it is necessary to change water in time to improve the water environment. If you are frightened, you need to rest for a period of time.
do 1, rest: new fish into the tank often have the phenomenon of lying tank, this is because it can not adapt to the new environment, in this case there are good treatment methods, can only let it rest for a period of time. When it slowly adapts, it will return to its normal state, during which it does not need feeding.
2. Change the water: If you change the water for the fish too frequently, or change the water too much each time, it will also be stimulated by the new fish, so that it appears to lie in the tank. In view of this situation, it is necessary to reduce the frequency of water change, usually once a week, and not more than a quarter of each water change.
3. Illness: Many diseases can also lead to the symptoms of fish lying in the tank, but this is only the appearance, the more important thing is the location of the lesion, only cure the disease, the situation of lying in the tank will naturally recover. In the early stage of illness, it can be cured by changing water, warming up and adding salt, and then taking medicine if it is not possible.
