潮騒の宿 晴海 海の棟
Shiosai-no-Yado Seikai (Umi-no-Tou Wing)Operated by · (有)松男 代表取締役 久保 力夫
湯
Simple
- Color
- faintly yellow and clear
- Taste
- tasteless
- Odor
- faint earthy note
Sodium Chloride-Bicarbonate spring
pH 8.2Weakly alkalineHot source · 56°CHigh silica
Composition fingerprint1.0 g/kg dissolved · Hypotonic
Na⁺63
Ca²⁺16
Mg²⁺13
Cl⁻65
HCO₃⁻23
◀ CationsAnions ▶
- Sodium Na⁺
- salt's cation — pairs with chloride to make the water salty.
- Chloride Cl⁻
- table-salt anion — coats the skin and holds heat in.
Known good for
- Aches & jointsstiff shoulders
- Smooth skindry, rough skin
- Recoveryfatigue, stress
A sodium-leaning simple thermal spring drawn at 56 °C from a 150 m well on Beppu's seafront. Weakly alkaline at pH 8.2, it has the soft, slightly slippery feel of Japan's beauty-water family. Total dissolved solids sit at 968 mg/kg — just shy of the threshold that would push it into a named class — and the metasilicic acid is unusually generous at 192.6 mg/kg, leaving the kind of silica film that makes skin feel noticeably smoother afterwards.
Sampled at wellhead·Analyzed Apr 4, 2011·株式会社住化分析センター 大分事業所·Cert no. 8223904-00
