PROBLEM TO BE SOLVED: To arbitrarily adjust an amount of discharge of chemicals and overcome problems such as an uncomfortable feeling or the short life of a chemical cartridge by providing a shower main body with an operating part and adjusting the amount of discharge of chemicals. SOLUTION: A shower device 1 has a water supply port 1 at its lower end, a water spray part 5 at its upper end and a chemical vessel 6 housed in a hollow part formed inside thereof while it is urged downward by a spring 7. The chemical vessel 6 is cylindrical in shape and has a rotating shaft 8 passing through a center and is inserted into an operating part 9 so as to rotate together with the operating part 9 about the rotating shaft 8. The chemicals are discharged into hot water in the shower device 1. Then, when an amount of discharge of chemicals is adjusted depending on a a taste or use, the operating part 9 is rotated and an arrow mark on the upper ring 14 of a shower is set to the display of a desired amount of discharge of chemicals, the amount of discharge of chemicals can be arbitrarily adjusted. Accordingly, problems such as an uncomfortable feeling or the short life of a chemical cartridge can be solved.
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