Solutions to the redness of Qiucui Koi:

1. When you find that Qiucui Koi has lost its redness, you need to change the water immediately and add antibiotics to the water. medicine to improve its immunity.

2. Control the water temperature of Qiucui Koi at 20-25℃ and ensure a constant water temperature, so that Qiucui Koi can gradually recover its color.

3. Let Qiucui Koi be exposed to red light for 1 to 2 hours every day to gradually restore its color, but do not expose it to the sun to prevent heatstroke.

4. During the breeding process, it is necessary to ensure that the environment is quiet enough to prevent the Qiucui koi from being frightened.

The reasons for the redness of Qiucui Koi:

1. The redness of Qiucui Koi is probably caused by bacterial infection. The carp is in a sick state and needs to be helped back to health as soon as possible.

2. If the water temperature is too low, Qiucui koi will lose color. Qiucui koi is particularly sensitive to low temperatures.

3. Insufficient light may also cause Qiucui koi to fade.

4. Autumn green koi will fade away if it is exposed to a noisy environment for a long time or is suddenly frightened.