This device is suitable for dry heating-rooms with a temperature up to 50°C like tepidariums, caldariums or infracabins. Contrary from a salty cave it is also suitable for humid spa a wellness, and people use it without any clothes because of its healthy affection for skin. This device is supplied for a public use and for a private use as well. A salt from Dead sea in the size of about 0,5-5 microns is regularly mesured to the air, which is followed by a heavy salty fog. Alltogether with using a ionizator of air it cleans an air from dust and bacteries (a principe of a clean air after a storm). The device produces about 5 mil. ionts/m3/sec. Likely a roman bath, also a salty steam-cabin is overlained by a mozzaic or by another ceramic poultice of various colours and shapes.