When raising anchovies, the water needs to be changed once every 3 to 7 days. If the water quality is maintained well, the water change period can be extended appropriately, but be careful not to change too much water each time. Change one-third of the fish tank each time. of water is sufficient.
Changing water frequently or in too large an amount can easily irritate the fish. In serious cases, it may lead to the death of the fish, so The owner should pay attention to control the frequency of water changes. In addition, before changing the water, the owner needs to measure the temperature of the old water and adjust the new water to this temperature. No matter what, the temperature difference between the new water and the old water must be controlled within 1~2°C.
