Sumi - black in color on koi.

Beni / Hi - red in color on koi.

Shiroji – white in color on koi.

Orenji - orange in color on a koi.

Ki – yellow in color on koi.

Biological filter holds your beneficial bacteria for the eco system

Pre-Filter- To remove the debris before going to the pump to separate out. (protects the pump).

Suppling water from the pond to the filter and returning to the pond via a waterfall or other feature.

Eliminate green water and help control algae.

lowest point in the pond where all the debris pitch too. Pump pulls the debris into the pre-filter or filter depending on the system. (Koi of Fire highly recommends).

If no option to add a drain to bottom. This can be added via a pipe coming over the side wall of a pond and going to the pump.

Air pump pumps air to a disc with small openings to generate air bubbles for more oxygen in the pond.