if the water in the fish tank has a fishy smell? If the water in the fish tank has a fishy smell, you need to change the water in the fish tank immediately. The fishy smell in water is mainly due to the large amount of ammonia nitrogen produced by the decomposition of organic matter, which not only smells bad, but also affects the health of fish, causing certain toxicity to them, and even leading to a large number of deaths of fish. The content of ammonia nitrogen in water can be reduced by changing water, and the cultivation of nitrifying bacteria should be paid attention to in the daily feeding process, which can also avoid the fishy smell of water.
1, too many fish: fish tank water will have a fishy smell, because too many fish, fish in addition to excretion, there will be some secretions, which will lead to deterioration of water quality. To solve this problem, the best way is to raise fewer fish, or change to a large fish tank, which can also reduce the density.
2. Large amount of feeding: If you feed too much food at ordinary times, it will also make the water have a fishy smell. In view of this situation, it is necessary to reduce feeding, feed a small number of times a day, ensure that the fish eat in about 3 minutes after each feeding, and do not have residual bait left.
3. Change too little water: The water needs to be changed in the daily feeding process. If the water is changed too little, it will not be effective, and the water quality will deteriorate, resulting in some fishy smell. In view of this situation, it is necessary to increase the amount of water exchange, or shorten the water exchange cycle, but at least once every three days, not more than one third at a time.
