Water quality requirements for raising koi:

1. PH value: koi are suitable to live in slightly alkaline water quality, and the water for raising koi has the best pH value. Fortunately, it should be between 7.2-7.5. Do not suddenly put the koi into water with a good pH value. This will cause discomfort to the koi. In addition, if the pH value of the water is lower than 6.5, the color of the koi's body will become lighter and the color of the koi's body will become lighter. Will suffer from gill rot.

2. Water temperature: The water temperature for raising koi is best kept between 20-25 degrees. This temperature can maintain the vitality of koi, allow them to swim actively and have a strong appetite. It is necessary to pay attention to keeping the water temperature consistent with the water temperature in the tank when changing water to avoid sudden changes in water temperature that may cause the carp to become sick. It is best not to exceed 3 degrees in temperature difference.

3. Hardness: Koi likes to live in a water environment with low hardness. Koi can be raised in both soft and hard water. However, when raising, koi cannot suddenly switch from soft water to hard water. This will cause Causes allergic reactions in koi fish.

Notes on raising koi carp

1. The fish tank for raising koi carp must be equipped with a filtration system, and the water should be circulated at least 4 times per hour to ensure that the koi carp The water quality of the tank is clean.

2. Don’t feed the newly bought koi immediately. Let the fish adapt to the water temperature and quality first, and then start feeding after a week. Don’t worry that the koi will starve to death. They eat a lot and are more resistant to hunger. , usually only cause gastrointestinal discomfort due to changes in water temperature, and rarely starve to death.

3. The fish tank where koi is raised should have sufficient dissolved oxygen, and the stocking density should be controlled according to the size of the fish tank. If the number of koi is too large, the oxygen supply should be turned on. If you find that koi fish like to come out of the water to breathe, you need to turn on the oxygen pump to supply oxygen to the fish tank.