Change water frequently for the time being (change 1/4- 1/5 cylinder water every day), buy a nitrifying bacteria, and speed up the establishment of nitrification system at sunset every day. Note that the difference in water temperature should not exceed 2 degrees. If there is no dried water, buy some Yulebao. When nitrifying bacteria are not established, change water frequently, and change 1 water every three days.
Extended data:
Matters needing attention in fish tank culture:
Overfeeding is strictly prohibited:
Feeding many times a day and feeding too much at one time will overload the filtration system, cause water pollution and lead to fish death. Feed once a day for 6 minutes; Stop feeding once a week to recuperate the stomach; Feeding live bait and deteriorated feed;
It is forbidden to change water in large quantities:
A large number of water changes will lead to many problems, such as water quality fluctuation, nitrification system collapse, fish catching cold and so on. Change water every 3 days 1 time, 1 time 1/3 to1/5; (Adjust according to the actual situation) Change water without washing cotton, and wash cotton without changing water; (For weak filtration system) When changing water, it is forbidden to directly pour it into the tank and impact the fish. Should be slowly injected along the cylinder wall;
Sudden temperature difference is strictly prohibited:
The large temperature difference between day and night will make the fish "catch a cold". Changing seasons can also easily lead to fish diseases, such as white spot disease, water mold, convex eye disease and so on. If conditions permit, heating rods can be used for constant temperature measures. Reduce the temperature difference between morning and evening. In early spring and late autumn, when changing water, we must pay attention to the temperature difference between fresh water and water in the tank. Otherwise, it will cause desquamation and colds.