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Abstract

The invention relates to an oxidation and coagulation apparatus and method especially suitable for use with aquariums (especially salt-water aquariums). Water is withdrawn from the aquarium by a pump, and is fed into the oxidizer and coagulator. The oxidizer and coagulator includes a chamber into which the pump discharges water under pressure, a plurality of electrodes disposed in the chamber and connected up to a source of e.m.f. (AC), a plurality of electrically conductive particles (e.g., graphite) disposed in the chamber, a structure for violently continuously circulating the particles within the chamber so that they continuously impact all of the electrodes, and structure for preventing movement of the electrically conductive particles out of the chamber. An outlet is provided from the chamber and a filter is provided for separating particles and coagulants from the water after discharge from the chamber, and then returning the now-purified water to the aquarium. The electrodes may be stainless steel, yet they will not rust even over extended operation in purifying salt water.

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First Claim