To ensure hygiene Nadamspa has two hydraulic pools for your using:

Herbal cold-Pool: Using time 18h-12h.
Herbal hot-Pool: Using time 18h-23h.

Two pools are clean and the water will be change every day. In addition, two these pools are also mixed herbs: Cinnamon, Green Tea .... While soaking in the pool you will feel relaxed, joints pain, and increase blood circulation.