| 摘要 |
PURPOSE: A water recirculation system for aquarium is provided, which can rapidly collect waste and various contaminants precipitated in the floor of a water tank. CONSTITUTION: A filter box(4) having a plurality of inlet holes(3) is connected to a filter(10) through a second inlet tube(12) in which a second pump(11) is installed. The water filtered through the filter is flown into the aquarium(1) through the second outflow pipe(13). The outflow end of the first outflow pipe(9) is installed in upper one side of the aquarium so that water can make vortex to the center. The outflow end of the second outflow pipe is installed in the bottom side of the aquarium so that water can make vortex to the center.
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