If there is no oxygen device in the fish tank, it is recommended that the breeder change the water every 3 to 4 days, and it should not exceed one week at the latest. Every time you change the water, pay attention to leave some old water appropriately, so as not to adapt to the fish. The tap water that has just flowed out should not be directly put into the fish tank. It is recommended to dry it for 2 to 3 days.
Change the water every 3-4 days for fish without oxygen Change the water every 3 to 4 days, no more than a week at the latest, otherwise the fish is likely to die directly. If the dragon fish has a high demand for oxygen, it is recommended to change the water once a day.
When changing the water, it is recommended to keep some old water appropriately, and keep about one third of the old water each time to prevent the fish from being unsuitable for new water. Stress response to water. When changing the water, try to change the water isothermally, and try to keep the temperature difference not exceeding 5°C.
It should be noted by breeders that the tap water that has just flowed out contains chlorine, which will damage the health of the creatures. It is recommended to place it in the sun for 2 to 3 days. days, until the chlorine in the water is decomposed before use.
