High litereg refers to the new light technology by juwelreg aquarium an improved lighting version on the old style t8 standard bulbsr it combines the existing tube lengths of the t8 with the new bright t5 technologyr the juwel high lite colour creates a stimulating red light in your aquarium the specific high lite colour spectrum is perfect for highlighting the many red and blue tones of your fish and plantsr bull perfectly highlights red and blue tonesr bull ideal for use in conjunc