Patent ID: 6533928
Filing Date: 2003-03-18
Classification: A01K

Abstract:
A water cleaning system for use in an aquarium having a gravel screen positioned immediately above its base, the system comprising:(a) a water flushing tube adapted to be positioned at one end of the aquarium, the water flushing tube comprising a first generally vertical tubular member having a first and a second end, the first tubular member being connected at the first end to a generally right-angled water jet tube having an opening adapted to be positioned in proximity to the base of the aquarium and below the gravel screen, and being connected at the second end to a hose for connection to a water supply or to a reverse power-head pump; (b) a water draining tube adapted to be positioned at an opposing end of the aquarium, the water draining tube comprising a second generally vertical tubular member having a first and a second end, the second tubular member being connected at the first end to a generally right-angled water siphon tube having an opening adapted to be positioned in proximity to the base of the aquarium and below the gravel screen, and being connected at the second end to a hose for drainage of water out of the aquarium; and (c) a water circulation tube adapted to be positioned at the opposing end of the aquarium, the water circulation tube comprising a third generally vertical tubular member having a first and a second end, the third tubular member having an opening at the first end adapted to be positioned in proximity to the base of the aquarium and below the gravel screen and being connectable at its second end to a filter located outside the aquarium.