To provide a potable device for feeding gas-dissolved water without any electric part in a simple constitution which can generate gas-dissolved water and discharge it into water in a water vessel as ultra-fine gas bubbles.
The freely transferable potable device 2 for feeding gas-dissolved water is for generating the ultra-fine gas bubbles in the water of the water vessel 1. The device 2 for feeding gas-dissolved water 2 includes a dissolving tank 3 for mixing and dissolving gas in water, a water feeding opening 4 feeding water to the dissolving tank 3, a manual pump 5 feeding pressurized gas to the dissolving tank 3, and a discharging opening 7 depressurizing the gas-dissolved water which is formed by mixing water and gas in the dissolving tank 3 by a depressurizing means 6 and discharging it into water in the water vessel 1.
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