The reason why the fish in the fish tank keeps surfacing is generally because the oxygen in the tank is insufficient, which causes it to float.It may also be caused by feeding too much, and the fish will swim to the surface to breathe when they are full.In addition, if the gills of fish are infected with bacteria or parasites, breathing will be impeded, which will go to the surface to swallow air.
1, equipment oxygenation: In the face of hypoxia, the simplest way is to use oxygen pump oxygenation.The working principle of oxygen pump is very simple, through the motor operation of air into the water, although the real dissolved oxygen in the water is very little, but also enough for fish to breathe.Usually the oxygen pump is on for 2-4 hours a day, and if it is summer or continuous rain, it will be on for 2 hours more.
2. Drug oxygenation: Drug oxygenation is a relatively emergency method. Usually, if you raise fish at home, it is rarely prepared.The main component of the commonly used oxygenator is sodium percarbonate, which reacts with water to produce a large amount of oxygen, and can continue to release oxygen for two hours, which will not cause any harm to fish.
3. Biological oxygenation: Biological oxygenation relies on the photosynthesis of aquatic plants to release oxygen. Although this method is not bad, aquatic plants also need to breathe when there is no light, so it is still necessary to use other methods to oxygenate.
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