Patent ID: 6843910
Filing Date: 2005-01-18
Classification: A01K,C02F

Abstract:
1. In a decorative aquatic pond having an impervious liner defining the pond and confining a quantity of water within the pond, a filtration system comprising: a secondary pool separated from the pond by a pervious wall; a skimmer basin located within said secondary pool adjacent said pervious wall and adapted to receive surface water into said basin from the pond; a debris guard within said skimmer basin; a cover affixed over a major portion of said skimmer basin; a perforated conduit disposed along the bottom of said pool distal the pond; a quantity of filter rock filling said secondary pool externally of said basin and overlying said cover and said perforated conduit; and a pump in communication with said basin and pumping water from said basin and said perforated conduit to a return path to the pond.