| 摘要 |
PROBLEM TO BE SOLVED: To efficiently purify and activate water in a water storage tank. SOLUTION: The water treating device 1 provided with a contact tank 3 in which the sintered body 2 of natural stone (trade name: KORYUGAN) and tourmaline is filled and a pump device 4 for discharging water in a water storage tank into the water storage tank by sucking through the contact tank 3 is put on the bottom surface in the water storage tank, and water in the water storage tank is sucked by the pump device 4 through the contact tank 3. In this way, water in the water storage tank is uniformly made to flow to the whole of the sintered body 2 filled in the contact tank 3 to come into contact with it and the purifying and activating function by the sintered body 2 is efficiently obtained.
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