What kinds of aquarium filters do you have?
Bottom filter is also called bottom filterBefore the device of aquarium, first wave shaped filter plate is arranged on the bottom of the water tank, filter plate covered with sand as filter material, is connected with the air duct, air pump with circulating water supplying, promoting, filtration through sand in bacteria complete. This device is the biggest characteristic of water, filtering area wide, suitable for fish density Zanyang water tank (such as feeding tank aquarium store), the disadvantage is between the filter plate and the bottom of the water tank is easy to accumulate dirt, the filter plate and the bottom sand clean out regularly, therefore not suitable for Aquarium grass planting, usually is expert in a large number of fish breeding management siluriforms, extensive Cypriniformes and cyprinodontiformes with tropical fish.
The top filter is also called upper filterThe filter tank is installed at the top of the aquarium, and the water in the aquarium is drawn out through an underwater submersible pump, through a filter tank with several filtering substances placed on several layers, and then the filtered water is returned to the tank. The filter device has the advantages of simple working principle, maintenance is very convenient, only need to replace the filter, cleaning the filter tank regularly, can solve the needs of small and medium sized aquarium fish, very popular with ordinary aquarium enthusiasts. The defect is that the filter area is small, and if the charging equipment is used, and the filter material is reasonably selected, the utility model can meet the needs of the family fish culture.
External filterThe shape is like a tank, containing activated carbon, filter cotton and other substances that can adjust water quality. The water pump is located at the top of the tank, and the water is pumped into the tank from the entrance of the tank at the entrance of the tank and then returned to the tank after filtering. In order to start effectively, the external filter should be hung outside the aquarium, below the surface of the water. However, the external filter can not be submerged in water. The filtration efficiency of the device is high, easy maintenance, low noise, do not take up too much of the water space, also can adjust the chemical properties of water through the selection of filter material, so it is high-grade equipment is a large aquarium, especially suitable for feeding equipment clean soft water environment love characin, South American cichlid fish. That is the aquarium planting plants preferred filter. At present, the imported external filter quality is better, the price is more expensive, some domestic brands, although the price is lower, but the quality of the water pump is often not pass, and some use submersible pumps to replace, affecting the use of results.
Built in filter, also known as submerged filterSubmerged in water. Submersible pumps and filter cotton (often replaced by sponge) installed in one, and some brands will also be installed heaters, which become multi-purpose fish farming equipment. When working, the water is absorbed into the filter in many directions, and the filtered water is returned to the water tank by other means. This filter because of its low price and popular beginners of all ages, but the effects from the use of view, only suitable for small fish density, on the flow and filtration requirements are not high, a small aquarium, "fish" will be built in filter (especially the heating function of the filter for seedling and foster) water tank. The effect is very good. The biggest disadvantage of this device is that when it stops working, a lot of dirt stuck to the filter runs back into the water.
