Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Showa no Yu, near Shinshoji temple in Fukuyama, Hiroshima Prefecture, offers thermal sodium-chloride water at 38°C, with an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — 'Showa no Yu' at Shinshoji Onsen references the Japanese cultural nostalgia for the Showa era (1926–1989). Located near the Shinshoji Zen temple complex in Fukuyama, Hiroshima, which itself hosts an impressive art museum. A relaxing soak in the spirit of mid-century Japanese community bathing.