for the newly bought arowana? It's better to change the water for the newly bought arowana after three days. Just bought arowana do not adapt to the new environment, do not change more water, the filter system itself can ensure water quality. If you can change the water every day, you can change one tenth of the amount of water each time. If you change the water every three days, you'd better control the amount of water at one quarter.
The new water can be tap water, but it can only be used after being exposed to the sun. When exposed to the sun, an oxygen pump can be placed in the water to speed up the removal of chlorine. You can also use the water stabilizer sold outside and put it into tap water according to the dosage, which can also remove chlorine. When the new water is poured into the fish tank, the water temperature should be consistent with that of the original tank.
for raising arowana? Arowana likes weak acid or neutral soft water. When changing water, tap water should be used to remove chlorine in advance. If hard water such as well water is used, the water should be boiled first to remove impurities. Ion exchange resin filtration equipment can also be used to remove impurities and change hard water into soft water.
The water temperature should be controlled between 24 and 28 degrees Celsius, and it is better to control the water temperature between 27 and 28 degrees Celsius when raising silver and black dragons. When buying new young fish, a small amount of antibiotics, such as chlortetracycline and tetracycline, must be added to the water in which they are raised. The dosage is 13 milligrams of antibiotics added to one liter of water, so that the water is slightly yellowish or bluish. This will prevent them from getting sick.
