What kind of fish is suitable for an open-air fish tank? How to raise fish in an open-air fish tank?

The open-air water tank is suitable for breeding goldfish, koi fish, Kun Fu, Baiyun Approximation, Guanbei youth, etc. Because it is open-air, generally only some wide-temperature fish can be raised. If you raise tropical fish, it is not easy to control the temperature, which is not good for the health of fish. Among them, koi fish is large, so it is not recommended to mix with small fish, but it is no problem to raise it alone. It looks very imposing, but you can raise more small fish and choose different varieties and colors. 1. What kind of fish is suitable for being put in an open-air fish tank? Open-air tanks are suitable for goldfish, koi fish, partridge, platinum wire and herring in Guanbei. Because it is open-air, generally only some wide-temperature fish can be raised. If you raise tropical fish, it is not easy to control the temperature, which is not good for the health of fish. Among them, koi fish is large, so it is not recommended to mix with small fish, but it is no problem to raise it alone. It looks very imposing, but you can raise more small fish and choose different varieties and colors, and it is also beautiful to swim.

Second, how to raise fish in the open-air fish tank 1, change water: First of all, pay attention to changing water in the open-air fish tank. Usually, there is no fixed cycle for changing water, and it is changed every three to seven days. The water quality of the open-air water tank is even more difficult to maintain, so it is necessary to change the water in time to ensure the cleanliness of the water body. You only need to change one-fifth of the total water at a time, and there is no need to change too much.

2. Oxygenation: Although the water tank is open-air and has sufficient contact with air, if there are many fish, or the fish is relatively large, it is easy to lack oxygen, causing the fish to float. Therefore, it is best to pump oxygen into the fish tank with an air pump to ensure sufficient oxygen in the water.

3. Keep away from light: Because the water tank is open, it is easy for algae to enter. Under long-term illumination, algae will multiply in large numbers, which will affect the overall environment and even lead to a large number of fish deaths. Therefore, for the health of fish, it is best to avoid light properly, and the daily illumination time should not be too long, which can also prevent temperature changes.