is used for therapeutic massage of the body or its parts. The massage is provided by water stream applied by means of 8 nozzles under the water level. Suitable water temperature and its mechanical and thermal effects can achieve full muscle and joint relaxation. Shape of the bathtub allows individual physical exercise also with immobile patients. The underwater massage can be applied either as pressure massage using the massage hose or as whirlpool massage by whirling water stream by switching it into the whirling nozzles.