Stonespa is warmed up with natural mineral stone ‘God Blackstone’ which releases infrared and negative ion. The room temperature and humidity in the stonespa are maintained at 40°C-45°C and 65%-70%. This low temperature sauna is suitable for all including those who cannot tolerate the high temperature sauna.  When lying on the stone bed, warmth permeates into the body and organs.  It results in intensive sweating which eliminates toxins, accelerates metabolism and improves the body’s healing power.