At present, i only put 1 x ATI T5 Blueplus(39watt),1 x ATI T5 Aquablue Special(39watt), I have tried to add one more ATI T5 Aquablue Special but it is too bright for me...... Hope with 1 unit of G2-110w will just nice to my own prefrence...... my tank size is 3'(L) x 22"(H) x 17"(W) and if from my sand bed to the water lever, it only 16-17", so i hope with 1 unit of G2-110w will get me the good shimmer effect...... Anyway, Jacky, can i know Dr Evil is from which LFS in Singapore??? Thanks......