Water purifier for aquariums

Details Water purifier for aquariums Water purifier for aquariums

1989-07-14

1990-12-18

Jones, W. Gary

Liquid purification or separation

Structural installation

Closed circulating system

119 5, 210295, 2104162, B01D 2905, B01D 3502

Patent

active

049784447

ABSTRACT:
An aquarium water purification system comprises a porous or slotted platform raised from the bottom of the aquarium. A low density foam member having land areas and openings therein is affixed to the bottom of the platform. The foam member promotes bacterial retention and growth thereon of waste metabolizing bacteria. Means are also provided to circulate the water from the aquarium through the foam member and through an external filter.

REFERENCES:
patent: 1247381 (1969-10-01), Halpert
patent: 2748075 (1956-05-01), Hovlid
patent: 2935199 (1960-05-01), Willinger
patent: 3006476 (1959-06-01), Halpert
patent: 3135238 (1964-06-01), Eyl
patent: 3516544 (1970-06-01), Sesholtz
patent: 4035298 (1977-07-01), Cloke et al.
patent: 4076619 (1978-02-01), Howery
patent: 4265751 (1981-05-01), Willinger
patent: 4851112 (1989-07-01), Schlensker

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