all of the fittings discussed herein including straight fittings elbow fittings and the like fitting 62 may be attached using an epoxy an adhesive welding soldering or other methods that create a liquid tight seal between the fitting and the sealing member the fitting may optionally be manufactured as an integrated part of the sealing member several embodiments of a sealing member are shown in fig8 a first embodiment of a sealing member comprises a flat sink stopper 70 a second embodiment of a sealing member comprises a standard garbage disposal stopper 75 one skilled in the art would recognize that different shapes and sizes of sealing members exist that may be used to create a liquid tight seal between the sink drain and the sink attachment for example the technology described herein may be adapted for use in a sink comprising an ovoid shaped drain by providing an ovoid shaped sealing member referring to fig9 to use the sink attachment for washing dishes the sealing member is first put into place over the drain of the sink the basin is then attached to the sink 100 using the attaching member of the basin the sink may then be filled with water detergent or other liquids during the course of washing dishes tap water may be used to rinse the dishes by placing a dish over the sink attachment and running water onto the dish.