東多賀の湯1号泉
Higashitaga No Yu Spring #1Sodium-Calcium spring
A hot sulfur spring carrying H₂S with the characteristic rotten-egg note. The chemistry layers sulfate and bicarbonate over a sodium-calcium base, served straight from the 48.5 °C wellhead with no dilution, reheating, recirculation or disinfection. Weakly acidic at pH 6.3, with a long-standing reputation for dry skin and chronic eczema.
- Sulfur-rich
Analyzed Sep 28, 2018·公益財団法人宮城県公衆衛生検査センター·Cert no. 宮城第1号