PURPOSE: To provide a water purifier so designed that there is no water dirt accumulation in a water tank for a long period and a material for water tank landscape is ensured to be replaceable along with conducting stable water purification.
CONSTITUTION: The lower part of a water tank 2 having a drainage hole 7 at the bottom is provided with a smooth inner bottom plate 6 having holes 4 to support aquatic plants and a water-passable hole 5 and also furnished with a function as a water tank landscape material, and the water dirt in the tank 2 fallen off from the inner bottom plate 6 is ensured to remove via the drainage hole 7 out of the tank 2 and a forced circulating flow channel is connected, via a water purifying module 11, to the drainage hole 7.
NOGUCHI MASAO
HATSUTORI MASANARI
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