Bladder stopper and control assembly

A method of installing an assembly for selectively blocking a drain to the passage of water, said drain emanating from a substantially circular opening in a basin, sink or tub and extending as a substantially cylindrical member releasably connected to said basin, sink or tub, said substantially cylindrical member having a fluid inlet for receiving a pressurized fluid and an expandable bladder located within said substantially cylindrical member in fluid communication with said fluid inlet wherein said bladder is sized and positioned such that when expanded, said bladder blocks said drain to the passage of water and further including a mechanical pump having a pump chamber, and a stem emanating from said pump chamber such that when said stem is moved, fluid pressure is applied to a hydraulic line connected to said fluid inlet for selectively expanding said bladder, said method comprising applying said substantially cylindrical member to said substantially circular opening and applying said mechanical pump to an opening in a ledge proximate to said basic, sink or tub whereupon said hydraulic link is connected between said substantially cylindrical member and said mechanical pump.