Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Surya Alam Hot Spring And Spa, in Garut, West Java, taps sulfurous thermal water reaching around 42°C. An open-air pool allows wild bathing, in a natural setting typical of Garut's volcanic foothills.
Insider tip — Surya Alam ('Sun of Nature') Hot Spring and Spa in Garut regency, West Java — volcanic sulfurous spring waters in a highland setting. Garut is surrounded by active volcanoes (Guntur, Papandayan) making it one of Java's richest geothermal zones.