Just installed my new T5's I received from ReefGeek. I ordered the 4 48" IceCap set. Which puts me at a total of 6 across my 6 foot 100gal tank and wow these things are bright :eek1: . The IceCap is suppose to overdrive the 54 watt bulbs to close to 80 watts and they do look a lot brighter than the Tek lights. The reflectors that come with the IceCap look about twice as reflective than the Tek aswell. Over all I'm very pleased with the look so far only time will tell how they hold up and how well they grow corals.