An agricultural vehicle includes a chassis, a plurality of ground-engaging elements, and a liquid holding tank. The liquid holding tank includes a first bladder disposed within an interior of the liquid holding tank, the first bladder defining a first chamber within the first bladder, and a second chamber defined between a wall of the liquid holding tank and an outer surface of the first bladder. A method of forming a liquid holding tank of a vehicle includes disposing a first bladder within an interior of the liquid holding tank, a first chamber being defined within the first bladder and a second chamber being defined between an inner wall surface of the liquid holding tank and an exterior of the bladder, and causing both of the first chamber and the second chamber to be in fluid communication with a delivery system of an application system of the vehicle.