How to add oxygen to a small fish tank? What are the methods of adding oxygen?

If the small fish tank lacks oxygen, it needs to be replenished in time. There are many ways to add oxygen. You can use special equipment to add oxygen for 2-4 hours every day. Oxygen can also be oxygenated with drugs such as calcium peroxide or hydrogen peroxide. Pay attention to changing the water at ordinary times, which can also improve the dissolved oxygen in the water. In addition, you can plant some aquatic plants in the fish tank and release oxygen through photosynthesis.

First of all, the aerobic equipment wants to add oxygen to the small fish tank. The easiest way is to use some oxygen-increasing equipment. It should be noted that you can't use too much force, otherwise it will lead to too fast water flow in the fish tank, which is not good for the health of fish. Usually take 2-4 hours of oxygen every day. If the weather is hot, take more oxygen for a while.

Second, drug oxygenation Under normal circumstances, fish tanks rarely use drugs to increase oxygen. Generally speaking, they are only used for first aid when there is extreme hypoxia. The commonly selected drugs are calcium peroxide, hydrogen peroxide and ammonium disulfide. It should be noted that the dosage must be controlled well, too much dosage will have side effects and endanger the health of fish.

Thirdly, properly changing the water in the fish tank can also improve the dissolved oxygen in the water body, because the newly dissolved oxygen is relatively high, and some air will be brought in during the water changing process. Usually, the water should be changed once a week. If the fish tank is small and the water quality deteriorates rapidly, it can be replaced once every three or four days, but not too much, only one fifth at a time.

As we all know, plants can carry out photosynthesis, and aquatic plants are no exception. With them, oxygen can be released through photosynthesis and nitrate growth in water can be absorbed, which is very helpful for maintaining water quality. But aquatic plants also consume oxygen at night, so there are advantages and disadvantages.