Abstract: A portable apparatus for mixing fluids comprising is provided, and has a housing, inlets for receiving a plurality of fluids at the housing, and a fluid mixer for receiving the fluids from the housing and mixing them. The fluid mixer outputs at least one fluid blend. A fluid blend selector then receives fluids from the inlets and at least one blend from the fluid mixer and outputs a selected fluid, where the selected fluid is one of the fluids from the inlets or one of the at least one fluid blends.