Hamilton Aruba Sun T5 Retrofit with LEDs - 2 x 39 Watt T5 HO - Low Profile Versatile: install 1, 2 or 3 Aruba Sun pairs side by side or staggered in your existing aquarium ho 5 Bend, individual bulb, German aluminum reflectors - producing 300% more light output versus bulb a Enclosed, high performance T5 electronic ballast  cool operating and energy efficie Moisture proof, 3 piece T5 socke Hamilton Super White 10,000K bulb & Hamilton Actinic Royal Blue  growth & colo