lights

Hi I have a 1.5m x 600x 620 tank, I'm wondering if the zetlight zp4000 light will be enough to carry out sufficient light through my tank. Will mainly keep corals that won't need to much fancy lighting. Any inexpensive lighting ideas also welcome Thanks in advance

Hi All Selling my Dymax 1.5 m light. Comes with 3 x 150 w Metal halide (2 x 20 000k and 1 x 15 000k) and 2 x T5 35w florescent tubes (blue and purple). Light is in excellent conditions. Replaced MH about 6 months ago. The T5 are about 5 months old. Comes with hanging kit and tank stand. Reason...

Guys I've got something rally weird happening with my fish which I've been unable to diagnose. After I put my lights on some of my fish display what I can only describe as an epileptic fit. They swim spiraling out of controll erratically and bump into rocks and corals injuring themselves. Can...