Koi carp needs to change part of the water every day
Partial water changes are generally used to raise koi, and the amount of water changed frequently accounts for about one-third of the water in the fish tank. If the water quality is seriously damaged or new fry are introduced, it is necessary to completely change the water and pay attention to the control of water temperature. Changing the water for koi requires a lot of time. In summer, it is better to change the water at 7 or 8 o'clock in the morning. In winter, the water should be changed from 2 o'clock in the afternoon to before 5 o'clock. The temperature difference between the two types of water should be controlled within 2 degrees.
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