I'm still not happy with the lighting on my tank. I have a 29 gal and i started off with one fluorescent fixture and it was not bright enough so i added another one and since them i have spent way too much money on all different types of bulbs and am still not happy. I am now running a 6500k and an 8000k and it is STILL really dim. At this point i am thinking about forgetting the florescent lights altogether and just spending the money on a duel T5 :angryfire Would that be overkill on a 29gal? it is just such a tall tank. Any thoughts? advice? i am also switching out my substrate from white sand to eco complete black and i am worried it will make my tank look even darker without brighter lights.