Liquid nutrient dispensers for aquarium biological filter media

Details Liquid nutrient dispensers for aquarium biological filter media Liquid nutrient dispensers for aquarium biological filter media

1990-01-29

1992-09-15

Weiss, John G.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

119 3, 215308, 222189, 210169, A01K 6304

Patent

active

051468700

ABSTRACT:
A dispenser is provided for liquid nutrients used to sustain the metabolism of biological filter media used in purifying aquarium water which comprises: a rigid container having an opening therein adapted to permit the introduction of liquid nutrients into the container; means for preventing the flow out of the container through said opening of liquid nutrient introduced therein; and means for allowing the permeation to the exterior of the container of liquid nutrient introduced therein.

REFERENCES:
patent: 649316 (1900-05-01), Lambert
patent: 2418035 (1947-03-01), Lachapelle
patent: 3326401 (1967-06-01), DeLong
patent: 3869069 (1975-03-01), Levey et al.

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