Sanso Kannawaen
Analysis UnverifiedKannawa has long been known as a healing retreat for the wounded, and this hillside source rises on its own as near-boiling 98.1°C water. Rich in sodium and calcium with a balance of chloride and sulfate, the faintly milky water leaves white, scale-like deposits along the tub edges. With 220.0 mg/kg of metasilicic acid, it leaves skin moist and soft, suiting anyone who wants to warm up slowly while gazing over Beppu's rising steam.
The bar length shows how abundant each component is compared to thresholds that make it "distinctive" (therapeutic spring standards, beauty spring criteria, etc.).
A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.
A trace component with gentle antibacterial and anti-inflammatory action.
Scores are calculated from mineral analysis data based on the Mineral Spring Analysis Guidelines (Ministry of Environment, Japan). They are unrelated to facility atmosphere or service quality.
▸Note
The temperature, pH and component values shown here are based on the hot spring analysis (source). Actual values in the bath may differ depending on heating, dilution, recycling and filtration. Please check current usage status at the facility.
The source emerges at 98.1°C, so areas near the inlet can be very hot; rinse first, settle into a cooler spot away from the spout, and take breaks, as chloride water warms you quickly.
With 437.0 mg/kg of chloride and 372.0 mg/kg of sulfate, this water is traditionally valued for restorative warmth, as its salts help hold heat in the skin, and its gentle sulfate character may support relief from everyday aches and pain.
The very hot source can scald near the inlet, and long soaks may cause dizziness. People in acute illness or with serious heart conditions should refrain or consult a doctor.
※ See the analysis data below for detailed contraindications
ANALYSIS DATAView all analysis fields ▼
Source Info
- Source name
- Sanso Kannawaen
- Spring type
- Sodium-Calcium Chloride and Sulfate Spring
- Old spring type name
- 含石膏－食塩泉
- Source temperature
- 98.1℃
- pH
- 7.9
- Flow type
- 自然湧出
- Osmotic pressure
- 低張性
Analysis Document
- Analysis date
- 2016-08-18
- Analyst organization
- 公益社団法人大分県薬剤師会 検査センター
- Registration No.
- 大分県第3号
Cations
- Lithium ion Li⁺
- 0.80 mg/kg
- Sodium ion Na⁺
- 369 mg/kg
- Potassium ion K⁺
- 53.2 mg/kg
- Magnesium ion Mg²⁺
- 4.2 mg/kg
- Calcium ion Ca²⁺
- 95.3 mg/kg
- Aluminum ion Al³⁺
- 0.40 mg/kg
- Manganese ion Mn²⁺
- 1.0 mg/kg
- Lead ion Pb²⁺
- < 0.01 mg/kg
- Strontium ion Sr²⁺
- 2.9 mg/kg
- Copper ion Cu²⁺
- < 0.05 mg/kg
- Cadmium ion Cd²⁺
- < 0.001 mg/kg
- Total cations
- 0.53 mg/kg
Anions
- Fluoride ion F⁻
- 1.8 mg/kg
- Chloride ion Cl⁻
- 437 mg/kg
- Hydrogen sulfide ion HS⁻
- 0.50 mg/kg
- Thiosulfate ion S₂O₃²⁻
- 0.30 mg/kg
- Sulfate ion SO₄²⁻
- 372 mg/kg
- Bicarbonate ion HCO₃⁻
- 134 mg/kg
- Bromide ion Br⁻
- 1.4 mg/kg
- Hydrogen phosphate HPO₄²⁻
- 3.0 mg/kg
- Total anions
- 0.95 mg/kg
Undissociated Components
- Sulfuric acid H₂SO₄
- 0.00 mg/kg
- Phosphoric acid H₃PO₄
- 0.00 mg/kg
- Arsenious acid HAsO₂
- 0.00 mg/kg
- Metasilicic acid H₂SiO₃
- 220 mg/kg
- Metaboric acid HBO₂
- 18.0 mg/kg
- Total undissociated
- 0.24 mg/kg
Dissolved Gas
- Free carbon dioxide CO₂
- 8.4 mg/kg
- Free hydrogen sulfide H₂S
- 0.00 mg/kg
- Total dissolved gas
- 0.01 mg/kg
Totals
- Total dissolved substances
- 1.7 mg/kg
- Component total
- 1.7 mg/kg
- Evaporation residue
- 1.7 mg/kg
Usage
- Heating
- No
- Dilution
- No
- Recycle / Filter
- No
- Additives
- No
- Disinfection
- No
Indications & Contraindications
- Bathing indications
- Cuts and grazes, Peripheral circulatory failure, Poor circulation, Depression, Xeroderma
- General indications
- High blood pressure (mild), Rheumatoid arthritis, Autonomic instability, Insomnia, Chronic pain or stiffness in muscles and joints, Muscle stiffness due to motor paralysis, Gastrointestinal dysfunction
- Contraindications
- Acute illness (especially with fever), Active tuberculosis, Malignant tumors, Severe heart disease, Respiratory failure, Renal failure, Bleeding disorders, Severe anemia, Any actively progressing illness, Pregnancy (especially early and late stages)
Drinking
- Drinkability
- Not drinkable
