How to raise koi fish in the pool?

When the young fish in koi fish grow to 10 ~ 20cm, they can be fed in fish ponds. The number of fish released depends on the area of fish pond, the size of water body, inflatable equipment and filtering device. Koi fish doesn't have strict requirements on bait, so it can feed artificial pellet bait, bread crumbs, Daphnia, earthworms, live snails, clams, turnips and so on. Live snail is a good active bait, which can eat algae and sundries at the bottom and wall of the pond and purify the water quality. When the fry grows to about 3 cm, the 1 th selection can be made. Put the selected fry into a fish pond with an area of 5m× 10m and a water depth of 30-50cm. The stocking density is 120 ~ 150 per square meter of water. The remaining good fish can be stocked at a density of 90 ~ 120 fish per square meter. With the growth of fish, the stocking density gradually decreases.

The fish pond covers an area of 5 square meters, the water depth is 30 cm, and the length of koi fish is 15 ~ 20 cm, which can support 1 ~ 15 fish. Fish pond area1.5 ~ 20m2, water depth 50cm, koi fish1.5 ~ 20cm, 30 ~ 40 fish can be raised. Koi fish 15 ~ 30cm long can support 10 ~ 15. The fish pond covers an area of 40 ~ 50 square meters, with a water depth of 60 ~ 100 cm. koi fish is 30 cm long and can raise 24 ~ 40 fish. Koi fish is 45cm long and can be stocked 10 ~ 15. The fish pond covers an area of 200 square meters, and the water depth of the fish pond is 70 ~ 130 cm, and 20 ~ 30 koi fish with a length of 60 cm can be kept.

It is easy to raise koi fish and koi fish, and you can raise all kinds of koi fish. Especially in a spacious yard, it would be interesting if there was a pool in koi fish. However, due to the large pool area, if you don't pay attention, harmful substances will flow into the pool, the water quality will deteriorate and the water balance will disappear. Therefore, it is necessary to install filter settings, and at the same time, you should pay attention to the koi fish floating head caused by too little water and too many fish.