| 摘要 |
A cleaning device for fish tank includes a hood with a bottom open end and a constricted top open end, a suction pipe connected to the top open end of the hood, and a closed hollow casing for receiving water connected to the bottom open end to close the same. The hollow casing has an opening communicating the interior and exterior of the hood, and a wall defining the opening. The wall is provided with a plurality of spraying holes, and the casing has a top face provided with a plurality of spraying holes. A hollow housing extends beyond the bottom open end and has an interior space which is communicated with the interior of the casing. The hollow housing has a water inlet.
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