High-Lite® refers to the new light technology by JUWEL® Aquarium. It combines the existing tube lengths of the T8 with the new bright T5 technology. High-Lite® Blue tube creates actinic blue light with a colour temperature of 20000 Kelvin.It enhances coral growth. For Saltwater we recommend following combinations: Blue Marine. The 590 mm / 28 Watt High-Lite Tube can be used in a 70 cm and 80 cm light unit. Following aquariums can be fitted with this Tube: Rio® 125 and Trigon® 190. High-Lite Tube Blue 28 W (590 mm)