夷谷温泉
Ebisudani OnsenOperated by · 株式会社プランニングサポート
硫
Sulfate
- Color
- pale brown, slightly turbid
- Taste
- faintly metallic
- Odor
- odorless
Calcium-Sodium Sulfate spring
pH 7.8Weakly alkaline
Composition fingerprint1.0 g/kg dissolved · Hypotonic
Ca²⁺68
Na⁺28
SO₄²⁻93
◀ CationsAnions ▶
- Calcium Ca²⁺
- settling and calming; can leave a white mineral bloom.
- Sulfate SO₄²⁻
- "gypsum / Glauber's salt" — vessels and wound healing.
Known good for
- Aches & jointsstiff shoulders
- Circulationtired legs
- Smooth skindry, rough skin
A calcium- and sodium-led sulfate spring of settled, mineral-rich character. Weakly alkaline at pH 7.8, the water is soft on the skin; at the source it carries a pale brown, slightly turbid look and a faint metallic note from a trace of iron. Moderate mineralization at 1,042 mg/kg with sulfate making up over 93% of the anions — a textbook Ca-Na-SO₄ profile with the quiet body that sulfate springs are known for.
Sampled at bath inlet·Analyzed Mar 25, 2024·株式会社 東洋環境分析センター·Cert no. yZ2307370-001