06-06-2011, 12:46 PM
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the original halogens were not the right spectrum for me, i had to switch to LEDs rated at 6500k, but despite the better spectrum, you are really limited with MR11 lights. Looking at your picture, im guess the light loses a lot of its brightness when the tank is filled? (mine is currently a terrarium, not filled yet). The LEDs are growing my plants pretty well, but i have no idea how it will fare after the tank is filled.