Abstract: A fluid storage and purification system which comprises a cylindrical vessel having an exterior and an interior containing a fluid, the vessel having a first end and a second end, wherein the first end has a cylindrical neck, and wherein the inside diameter of the cylindrical neck is smaller than the inside diameter of the vessel; a helical purifier tube assembly which is disposed in the interior of the vessel, wherein the maximum outer diameter of the helical purifier tube assembly is larger than the inside diameter of the cylindrical neck, wherein the tube has a first end and a second end, and wherein the first end is in fluid flow communication with the interior of the vessel; and a valve comprising a body, an inlet, and an outlet. The valve body can be sealably connected to and disconnected from the cylindrical neck and the second end of the helical purifier tube assembly can be connected to the inlet of the valve.