Water treatment assembly for ornamental ponds, aquaria or drinking water has omni-directional ultraviolet light emitter directed at water cascade

摘要

A water treatment assembly has an ultraviolet light (UV) source directed at a water cascade. The UV dose is such that micro-organisms present in the water are killed. The UV-treated water is surrendered to a water filter (40) and an ultrasonic water treatment assembly (90). The UV light is surrendered by an omni-directional light source that impinges on all stages of the water cascade. Each cascade section consists of a discrete basin. The filter (40) consists of coarse granular material.