A system and methods are provided for preparing a mixed solution, the system includes: a mixing tank (302) with a motorized mixing rod (306) and a heating element (312), and 2) a capsule receptacle (106) to receive a capsule of a concentrate. The capsule receptacle has a capsule inlet (324) for receiving water into the capsule and a capsule outlet (326) for releasing the water with the concentrate to the mixing tank. A controller (340) is configured to operate the mixing rod and the heating element to generate a mixed solution from the water and the concentrate, according to a mixing profile. An output pump (330) is operated to pump the mixed solution from the mixing tank to a detachable bottle.