Abstract: The invention relates to an autonomous reclining seat element in a simple tub, the reclining seat element being locked and rotatably mounted on the edge of the pool and water is efficiently applied to the nozzles by means of a circulating pump with short pipes mounted in the equipment container and the reclining seat element is height-adjustable, tiltable and foldable, as an individual element or, by means of hinges, as multiple elements, and such a reclining seat element has one or more buoyancy bodies, armrests with pushbutton panel and, if required, an unbalance motor.