横井温泉
Yokoi Onsen- Color
- colorless and transparent
- Taste
- slightly salty
- Odor
- faint hydrogen sulfide
- Aches & jointsstiff shoulders
- Smooth skindry, rough skin
- Recoveryfatigue, stress
Yokoi Onsen is an alkaline simple thermal spring at pH 8.66 and a generous 48.7 °C wellhead temperature. Mineralization is light (evaporation residue 691 mg/kg) and sodium-led, with a faint trace of hydrogen sulfide on the nose; the water feels notably slippery on the skin and sits squarely in Japan's beauty-water family.
Sampled at wellhead·Analyzed Jul 29, 2018