1, reason: The koi that just bought is put into new crock to be able to appear to gather together the circumstance of group, and after be being frightened, also can appear this kind of circumstance.
2. Solution: The breeder needs to ensure that the living environment of the koi is comfortable and the surrounding environment is quiet, and wait for them to recover by themselves. If the koi are seriously frightened, you can stop feeding them and wait for them to return to normal.
1. The reason: Koi gather together may also be because the water temperature is too low, because if the water temperature is too low, they will be crowded together, and usually crowded in the bottom corner of the water. Or the temperature difference is too large, causing them to be uncomfortable, and they will also pile up.
2. Solution: The breeder needs to keep the water temperature between 21-27 ℃ and ensure that the water temperature is constant. Avoid too large temperature difference in the future feeding process.
1. Reason: If the water quality is too poor, and there are more food residues and garbage in the fish tank, it will also affect the life of Koi, causing them to gather together.
Solution: The breeder needs to change the water in time and clean up the food residues and feces in the fish tank. Don't change too much water, just change one third of it each time. After changing the water, you can add some coarse salt, and then open the oxygen pump for a while, which can effectively sterilize and disinfect.
