| 摘要 |
<p>In the present invention, provided is a biofilm filter water treatment device, which has backwashing function of a cleaning-free siphon and outstanding capability of decomposing and removing pollutants in an aquarium or lakes and accordingly purifies water thoroughly. According to the present invention, a biofilm filter water treatment device with a backwashing function of a siphon plays a role in treating water in a water tank and comprises a planted plant filtering layer body whose upper part is opened and which is installed on one side of the water tank; a siphon discharging part which is installed on the planted plant filtering layer, so that water in the planted plant filtering layer body is discharged out by working siphon; and a filtering layer which is stacked in the planted plant filtering layer body.</p> |
