A fluid mixing system including, an upper assembly, comprising a submersible pump housed therein; a base assembly connected to the upper assembly, the base assembly comprising one or more diffusers connected to opposing end portions of the base assembly; and a fluid path fluidly connecting the upper assembly and base assembly, wherein the fluid path extends from an outlet of the submersible pump to the one or more diffusers, and wherein the one or more diffusers are configured to provide a fluid outlet from the fluid path to create movement of fluid within a fluid reservoir.