i have 4 t5's that are on accu start high out put ballasts, in my 29g i used individual ice cap reflectors, i have some pictures in my gallery please check it out and tell me what you think... i jus got a derasa clam, he is looking very beautiful, opening and his colors are amazing.... he is on the sand bed right now, but i plan to move him up in the tank slowly... the next couple of the days...