I used T5 blue moon light with the lowest watt as I don't need too much watt in my tank. I used the one with the double bulb and with the double switch, so when I can turn it to blue or white or both at the same time.
http://www.bigalsonline.ca/BigAlsCA...9/cl0/coralifeswt5aqualightdoublestriplight48
http://www.bigalsonline.ca/BigAlsCA...9/cl0/coralifeswt5aqualightdoublestriplight48