Koi can be raised without oxygen. Without oxygen, the breeder should keep the koi in a larger tank or pond, control the breeding density, and ensure that the dissolved oxygen in the water is sufficient. Otherwise, the koi will die because of lack of oxygen. If there is not enough space for activities, Koi can only live for two days without oxygen.
If koi are not raised with oxygen, they should be raised in a tank with relatively large space. In order to ensure clean water quality and sufficient oxygen, fish tanks should be cleaned in time and water should be changed frequently. It is most suitable to control the water temperature in the cylinder between 22 and 25 degrees. Koi can be fed with artificial feed, fish and insects, bread crumbs, duckweed and other foods. Pay attention to a small number of times to feed, each time the amount of feeding enough tank koi 5-10 minutes to eat, no residue is best.
Koi is a fish with high oxygen consumption. Adequate oxygen not only helps the growth of Koi, but also maintains the balance of nitrification system. It is still suggested that breeders install oxygen pumps and filter pumps in fish tanks to breed koi with oxygen. This can make the koi grow better.
