An apparatus to aid in the filling or refilling of a flexible, collapsible container having a pour spout and a method for using same. The apparatus includes a center frame element having attached to its upper end an upper frame element adapted to receive at least a portion of the pour spout of the container. At its lower end, the center frame element is attached to a lower frame element adapted to cradle a lower portion of the container being filled and to urge the container toward the center frame element as the flexible, collapsible container fills and expands. The apparatus is portable and may be removably mounted to a variety of vertical or horizontal surfaces.