WATER STORAGE TANK AND WATER TREATMENT APPARATUS HAVING THE SAME

摘要

A water storage tank is disclosed. The water storage tank according to an embodiment of the present invention comprises: a tank body which has first and second water flow parts where water flows thereinto/therefrom; and a bladder which is formed inside the tank body to be connected to the first water flow part and allows the water flowing into/out of the tank body through the second water flow part to flow out of/into the tank body through the first water flow part, wherein the tank body comprises: an upper body which has the first and second water flow parts; and a lower body which is connected to the upper body to cover the open bottom of the upper body.