It is better to turn on the light when raising koi fish. Any fish needs a certain amount of light during its growth, and koi fish is no exception, so choosing the right light is very helpful for its growth. In addition, the light can also induce the fish to change color and make the fish more beautiful. It should be noted that the time to turn on the lights should not be too long, usually 4-10 hours a day, and it is best to turn off the lights when sleeping at night.

1. Promoting growth: The main role of fish tank lamp is to promote the growth of fish. Although fish live in water, they still need a certain amount of light. If they are always in a dark environment, their growth will be limited, so they need proper light, but the light time should not be too long.

2, which is beneficial to hair color: Some ornamental fish will change color during growth, and there are many ways to induce their hair color, and illumination is one of them, so fish tank lights are also needed. It should be noted that different fish have different needs for light, and some pigmented feed should be used besides light.

3. Easy to watch: With the fish tank lamp, it becomes convenient to watch. The fish in the tank and the landscaping can be seen at a glance, so as to better observe the swimming posture of the fish and find out the abnormal state of the fish as early as possible, which is very helpful for treatment.