In a preferred embodiment, a liquid container (30, 200), including: a bottom (32, 230; a reservoir tube (34, 232) disposed in the bottom (32, 200); a capillary (38, 212) disposed in contact with the reservoir tube (34, 232); a middle portion (36, 210) disposed on the bottom (32, 200); and the capillary (38, 230) having an upper portion (62, 222) extending from an upper opening of the middle portion (36, 210).