Er reconditioning unit for aquaria

Claim 1

A water reconditioning unit for aquaria comprising: a plurality of water conditioning cells assembled in series with each cell in flow communication with at least one neighbouring cell; at least one of said cells being a settling tank for trapping gross solids entrained in the water; another of said cells being a filtration cell which includes a filter for trapping fine solids; another said cell being a tempering cell including a thermostatically controlled heater and still another of said cells containing a charcoal filter; said settling tank being serially succeeded by the filtration cell, tempering cell and the charcoal filter cell; an inlet at one end of said series in direct flow communication with said settling tank near the top thereof; said settling tank being partitioned by a baffle depending into it from the top thereof to a level spaced from its bottom, said baffle serving to circulate water entering said settling tank downwardly then upwardly around said baffle back to the top of said settling tank from which it then spills into said filtration cell; an outlet at the other end of said series; a pump included in said series for drawing water into the series through said inlet, for circulating it in turn through each cell and for thereafter discharging it through said outlet; a hollow hood in which said cells are housed, said hollow hood being seatable on an aquarium to cover it and position said cell series with the inlet and outlet aforesaid in communicating relation with the aquarium; said cells being oPen topped, and said hollow hood including a removable top providing access to said open topped cells.