2.5-15w oxygenation pump is used for 1.2 m fish tank. The reason why there is such a big difference is that the feeding density is different. If the feeding density is small, it is enough to use 2.5-5w oxygenation pump, and the fish can breathe well. However, if the feeding density is relatively high and there are many fish, the oxygen consumption will increase, which requires 10-15w oxygenation pump to meet the oxygen demand of the fish.

1. It is beneficial to breathe: The first benefit of oxygenation is beneficial to breathe. Fish live in water, they breathe with gills, and gas exchange will be completed when water flows through gill filaments, so the level of dissolved oxygen in water is also very critical for fish. If the oxygen content is too low, it will often cause fish to float.

2. Maintain water quality: Adequate oxygen is also helpful to maintain water quality. In the environment with high oxygen, the growth of anaerobic bacteria will be inhibited to avoid spoilage at the bottom. However, it should be noted that because the high oxygen environment will promote the metabolism of fish, the excretion will also increase, so it is best to control feeding properly.

3. Biofiltration: Nitrifying bacteria, as aerobic bacteria, are easier to reproduce in high oxygen environment, thus establishing a good nitrification system. Nitrification system is an indispensable part of fish tank, which is mainly responsible for converting ammonia nitrogen into nitrate, thus preventing fish from being poisoned.