add water to the bottom filter tank for the first time? It is easy to add water to the bottom filter tank for the first time. You can add water from the main tank or from the bottom filter. Usually, in addition to the water level of the main cylinder, it is also necessary to ensure that the bottom filter tank is about four-fifths, so that the pump circulation can be opened. The long change of water should be carried out from the bottom filter, and the new water can be added after the old water is pumped out.
of bottom filtration? 1. Overall beauty: Compared with other filtration methods, bottom filtration has the greatest advantage of beauty, because the filter box is all at the bottom, and the water flow is pumped to the top to complete the circulation after being filtered layer by layer. Generally, the filtration situation can not be seen from the outside. So that the scenery in the tank is more like a natural landscape.
2. Powerful filtration: Generally, the bottom filter is suitable for relatively large fish tanks. It can accommodate a lot of filter materials, so the filtration effect is also very powerful. Generally, filtration is divided into three parts: physical filtration, chemical filtration and biological filtration. Physical filtration filters out impurities, chemical filtration can adsorb some harmful substances, and biological filtration is responsible for decomposing dirt and converting ammonia nitrogen produced by decomposition into nitrate.
3. Beneficial to health: Due to the strong filtration effect of the bottom filter, the water quality can be better maintained, and it is also beneficial to the health of fish. Filtration itself can form a certain flow of water, thus increasing the activity and appetite of fish, it eats more, it will naturally grow faster.
