thanks - The tank is 4x2x2. I currently have 3 pendants over it 2 of them are Custom sealife 175mh 10k with 2 -32w pc's in each, and in the center is an aqua medic ocean light 250 HQI 20k........
I have an extra setup with 2x250 HQI 20k and 2x 39w T5 ( aquamedic ocean light) but I haven't used it on the tank. You should post a pic of your tank.