can be released after a few days of water raising. Fish can be released after five to seven days of water raising. Raising water first, the quality of water is closely related to the health of fish, if the water quality is poor, fish will easily get sick, the state will become bad. Usually, the water needs to be trapped for a few days to remove the chlorine in it. Then it needs to be filtered and oxygenated, which can remove impurities in the water and increase dissolved oxygen, which is very helpful for fish breathing.
1, trapped water: the first step to raise water is trapped water. Because tap water is usually used for fish farming at home, although the water is not polluted, there will still be residual chlorine after disinfection, which will pose a threat to the health of fish, so it needs to be removed. Chlorine is usually removed by drying, but if the time is relatively short, aeration can also be considered.
2. Filtration: In order to reduce the impurities in the water, it is necessary to keep the water filtered. After the trapped water is poured into the fish tank, it is usually filtered several times until the water becomes clear. After that, the filter should be opened all the time, so as to maintain the water quality, and the flowing water also helps to improve the dissolved oxygen.
3. Bacteria culture: The most important thing in water culture is bacteria culture. The purpose of bacteria cultivation is to establish a nitrification system. The decomposition of organic matter in water will produce ammonia nitrogen, which is harmful to fish, and nitrifying bacteria can transform it and no longer harm fish.