at home depends on the size of the fish tank. Because the koi is a large fish, the adult body length can reach 1-1.5 meters, so the number of breeding should be determined according to the size of the koi and the size of the fish tank. Normally, an 80cm tank can hold 20 5cm koi, or 6-10 10cm koi, or 3-5 15-20cm koi.
Koi 1. Water temperature: Koi has a strong ability to adapt to water temperature. It can accept water temperature between 18-27 ℃. The most suitable temperature is 20-25 ℃. They are sensitive to temperature changes, so the temperature difference should not exceed 3 degrees Celsius at ordinary times.
2. Water quality: Koi likes weak alkaline water. The breeder needs to control the PH value between 7.2 and 8.0, and the fluctuation of the PH value should be within 0.5. Koi can eat and pull, and breeders need to prepare a circulating filtration system for them, which can reduce the frequency of water changes. If you have a filter, you can change the water 1-2 times a week. If you don't have a filter, you need to change the water 2-3 times a week. And
3, feed: that feeding habit of the koi are mixed, and the breeder can feed the koi with animal fee and live baits together, so that the nutrition can be balanced, the appetite of the koi is large, the breeder can feed the koi 2-3 times a day, and the feeding amount of each time can be finished within 5 minutes.
