To provide a liquid volume indicating pipe improved in a liquid supply display function by configuring a structure wherein a liquid supply position of the liquid volume indicating pipe is inconspicuous when requiring no liquid supply and wherein the liquid supply position is conspicuous when requiring the liquid supply.

This liquid storage container has: an outer case forming an outer shell; an inner container housed inside the outer case, storing a content liquid; and the liquid volume indicating pipe provided between the inner container and the outer case, forming a part of a liquid passage, and indicating a liquid volume of the content liquid inside the inner container. The liquid volume indicating pipe or a rear member of the liquid volume indicating pipe is provided with a color display for making a liquid level clear, a color of the color display is changed in the liquid supply position showing replenishment of the content liquid, and in a normal position positioned above the liquid supply position and showing the liquid volume of the content liquid. A width in the liquid supply position is set to be wider than in the normal position.