The water in the hot springs, or also known as onsen, are meant to be changed at least once a week, according to local rules governing onsen maintenance Read more at straitstimes.com.
Hot spring baths can be bad for one’s health. A 160-year-old Japanese inn’s offer for such watery relaxation blemished the Asian country’s reputation for cleanliness when a guest of the Daimaru Besso inn in the southwestern Fukuoka region fell sick after taking the traditional bath. Health authorities who inspected last year the inn for compliance
CHIKUSHINO, Fukuoka Prefecture The former president of a century-old onsen inn under fire for only replacing its bathwater twice a year was found dead on March 12, just days after police searched his home following a criminal complaint.