An Inline Fluid Dispenser including a reservoir having at least one chamber for containing reservoir contents, a fluid supply tube extending through the reservoir, an entry tubing adapter attached to a first end of the fluid supply tube and including an entry flow valve, an exit tubing adapter attachable to a second end of the fluid supply tube and including an exit flow valve, an activation system for controlling fluid flow between the fluid supply tube and the reservoir. The fluid supply tube contents and the reservoir contents mix together and flow through the exit flow valve when there is fluid communication between the reservoir and the fluid supply tube. A supply fluid flow path is always available between the entry tubing adapter and the exit tubing adapter.