In the process of fish farming, you may encounter the fishy smell in the fish tank, which needs to be dealt with according to the specific situation:
1. Fish death: If there are dead fish in the fish tanks, but the breeders do not clean them up in time, it may cause the fish tanks to emit fishy smell. In this case, it is necessary to fish out that dead fish in the fish tank, transfer the other fish out, clean all the wat in the fish tank, and then add new water aft thoroughly cleaning the fish tank.
2. The smell of fish eggs: During the breeding period of fish, the fishy smell in the fish tank may be the smell of fish eggs. At this time, no treatment is needed. However, if the eggs that can not be hatched stay in the tank for a long time, they will rot later, at this time, they need to be cleaned up in time, and do a good job of changing water.
3. Insufficient dissolved oxygen: In addition, in long-term overcast and rainy weather, or in the case of poor air circulation, it may cause fishy smell in the water in the fish tank. At this time, it is also necessary to change water in time, and use oxygen pump to supplement enough oxygen, so as to avoid the fishy smell caused by insufficient dissolved oxygen.
In the case of fishy smell emitted from the fish tank, generally speaking, it is necessary to change the water. At this time, the fish in the tank need to be transferred out first, and then the water in the tank needs to be poured out. Before changing the water, the fish tank needs to be thoroughly cleaned. In the process of cleaning, some medicines can be used to disinfect. One of the more commonly used ones is potassium permanganate, which has better disinfection effect. After cleaning, new water can be replaced.