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 extra brightness of the juwel high lite marine will captivate you the special light spectrum of high lite marine creates a clear white light to mimic light conditions on a coral reefr bull brilliant white light with 15000 kelvinr bull particularly well suited to mar