One possible embodiment of the invention could a filling station for fluid containers used in self-contained dental water supply systems comprising at least one pressurized fluid supply at least one low pressure gas supply the first valve circuit continuously connecting to the at least one pressurized fluid supply the second valve circuit continuously connecting to the at least one low pressurized gas supply the manifold that continuously connects to first and second valve circuits a cap that attaches to a fluid container used in self-contained dental water supply system, the cap reversibly and continuously connects an interior of the fluid container to the manifold an electronic control unit utilizing one or more timer circuits, wherein each timer circuit operates its respective valve circuit for a predetermined amount of time to deliver a predetermined amount of gas or fluid at a predetermined pressure into the interior of the fluid container.
