Any organism needs oxygen. It can be said that there is no life without oxygen. The survival of tropical fish is also inseparable from the oxygen. The oxygen needed for the growth of tropical fish is carried out through the dissolved oxygen of the water absorbed by the microvessels of its crest. Then through the blood circulation to the various parts of the fish. The carbon dioxide they emit also passes through the microvessels of their ankles. The amount of dissolved oxygen in water is an important factor in the growth of tropical fish. If there is a shortage of dissolved oxygen in the water, the tropics will float to the surface and a "floating head" phenomenon will occur. If the dissolved oxygen is seriously lacking in the water, tropical fish will die due to suffocation.
The source of dissolved oxygen in water is that the oxygen in the air dissolves in the water. The greater the contact surface between the air and the water, the more dissolved oxygen will be in the water. Therefore, the water film on the surface of the water should be frequently removed to increase the water and air. Contact, the second is the oxygen produced by the photosynthesis of aquatic plants, so to increase the oxygen content of the water, a certain amount of water plants should be planted in the fish tank, timely removal of fish excrement and debris, frequently changing water, but also increase The important method of dissolved oxygen in water.
The content of dissolved oxygen is inversely proportional to the water temperature. If the water temperature is high, the dissolved oxygen content is low. If the water temperature is low, the dissolved oxygen content is high. However, the tropical fish requires a higher water temperature. Therefore, using a gas pump to inflate water is a good way to alleviate this contradiction. .
The stocking density of fish is a key issue for the availability of dissolved oxygen. If there is less water and more fish, dissolved oxygen is enough, and vice versa, hypoxia will occur. But this is not absolute, but also depends on other factors. The author once stocked 600 adult guppies in a 90*65*35 cm fish tank and at the same time pumped water into the water. These fishes never suffered from hypoxia. Therefore, fish lovers should decide the stocking density of tropical fish according to the specific conditions of each fish tank.
The source of dissolved oxygen in water is that the oxygen in the air dissolves in the water. The greater the contact surface between the air and the water, the more dissolved oxygen will be in the water. Therefore, the water film on the surface of the water should be frequently removed to increase the water and air. Contact, the second is the oxygen produced by the photosynthesis of aquatic plants, so to increase the oxygen content of the water, a certain amount of water plants should be planted in the fish tank, timely removal of fish excrement and debris, frequently changing water, but also increase The important method of dissolved oxygen in water.
The content of dissolved oxygen is inversely proportional to the water temperature. If the water temperature is high, the dissolved oxygen content is low. If the water temperature is low, the dissolved oxygen content is high. However, the tropical fish requires a higher water temperature. Therefore, using a gas pump to inflate water is a good way to alleviate this contradiction. .
The stocking density of fish is a key issue for the availability of dissolved oxygen. If there is less water and more fish, dissolved oxygen is enough, and vice versa, hypoxia will occur. But this is not absolute, but also depends on other factors. The author once stocked 600 adult guppies in a 90*65*35 cm fish tank and at the same time pumped water into the water. These fishes never suffered from hypoxia. Therefore, fish lovers should decide the stocking density of tropical fish according to the specific conditions of each fish tank.
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