go to
www.ledsupply.com/luxeon-leds.php and then click on diy led projects and then led fish tank light.after looking on e-bay ,alibaba,etc,i figure it would be best to make my own led lighting as i want separate timers for each colour of light-be roughly the same as buying them.you can also type in luxeon star led ,where here there is a engine to configure your wattage to how many lights etc.i'm just trying to figure how many luxeon stars i would need for a 220 gallon 2x6x3 deep