? Goldfish need to bask in the sun. It is good for the growth of goldfish to often bask in the sun. Sunlight can help goldfish absorb calcium better, make goldfish more active, promote the metabolism of goldfish, and make the color of goldfish's body surface more beautiful. Ultraviolet rays in the sun have a good bactericidal effect, which can effectively kill some bacteria harmful to the health of goldfish in the water and reduce the risk of goldfish getting sick due to infection.
for several hours every day. Generally, goldfish can bask in the sun for 3-4 hours every day. The best time for goldfish to bask in the sun is when the sun is not very strong, such as 9-10 o'clock in the morning, when the oblique sunlight is very good. Sunning for goldfish can be chosen in the balcony with scattered light, if it is taken outdoors to bask in the sun, it is best to do some shade treatment. Be sure not to be exposed to the sun at noon when the sun is strong. Exposure to the sun not only causes lack of oxygen in the water, but also strong ultraviolet rays can damage goldfish. When there is no way to bask in the sun for goldfish, you can choose to use lights instead, such as metal halide lamps and LEDs are good choices.
