筋湯温泉
Sujiyu OnsenOperated by · 筋湯温泉供給株式会社
Sampled at mixing tank
塩
Chloride
Classification
Sodium Chloride spring
A sodium chloride spring — salty and heat-retaining, with the kind of body that lingers warmth on the skin. The water is weakly alkaline and soft on the skin, and at 80.3 °C at the source it ranks among Japan's hottest natural springs (cooled before bathing). It also carries a generous 200 mg/kg of metasilicic acid, which leaves a thin silica film for noticeably smoother skin.
pH
7.90
Weakly alkaline
Source temperature
80.3°C
Hot
Tonicity
1.55g/kg
Hypotonic
Free CO₂
5.70mg/kg
Low
- Color
- colorless and clear
- Taste
- faintly salty
- Odor
- almost odorless
Highlights
- Top-decile hot
- High silica
Analyzed Oct 11, 2023·公益社団法人大分県薬剤師会検査センター·Cert no. 大薬検 第7R-2310002号