Abstract: An ultraviolet water treatment system comprising a water chamber having a water intake for untreated water to enter the chamber, and a water outlet for water to leave the chamber; an ultraviolet light source; and a fibre optic rod having a distributing end and a receiving end, the receiving end is located to receive the focused ultraviolet light from the light source and convey the light through the rod and out the distributing end into the chamber to treat the water.

Abstract: There is provided in accordance with the present invention a lighting system comprising a light source providing optimal spectral characteristics for plant growth, a means for focusing light from said light source into a fibre optic transmission medium, a fibre optic cable for transmitting light from said remote light source to a light distribution means, and a light distribution means, to distribute light over a specified area above the plants.