I have a bath every night, no matter the weather. 30 mins reading my current book before washing and shaving. I have a bath thermometer and keep the temperature at 43.5 degrees c. Usually some muscle relaxing herbal bath salts. It’s the best part of the day. Pure bliss.
There was nobody else when I got there, so I guess yes. In that case, they used salt instead of chlorine to ensure cleanness.
Someday I’d like to learn how saltwater pools work. The worst part about the public jacuzzi is they drain it only once a week.