The upper filter is a relatively common filter. It is generally placed on the upper part of the aquarium. The water is pumped out of the tank into the upper filter tank by a submersible pump. Then the water flows through the filter cotton, biochemical cotton and various filter materials, and then flows back into the tank from the outlet pipe. The utility model has the advantages of simple structure and convenient cleaning, but the utility model occupies the upper space and affects the overall appearance.
Bottom filter generally refers to the bottom tank filter, which is located at the bottom of the aquarium, is a large filter tank, through the pipeline and the main tank connected together, the water pump to provide power, and then complete the water circulation. Because of its large space, all kinds of filtration are perfectly matched to maintain the stability of water quality.
The filter barrel is a kind of closed filtration form. There are several layers in it. Each layer has aluminum material. After the water flows through each filter material, the circulation filtration is completed. It occupies a small size, noise is relatively low, but the effect of physical filtration is not very good, cleaning is also very troublesome.
Water Goblin is a kind of aquarium built-in filter, also known as sponge filter, which is driven by air pump, can suck out the excrement and residual bait in the water, and can carry out biological filtration in a small space. Very nice for a small tank, but a larger tank is not enough and can only be used as an auxiliary filter.
