Lightrails - next big thing in reef lighting?

[fkshiu]

Originally Posted by hawk

On a 8 ft tank I wonder how it would work if a single 400w was on the light mover during the day, then have the tank fully lit in the evening for a few hours when the tank is being viewed?

Others have supplemented the lightrail MH with T5s along the entire length of the tank so as to minimize the shadowing effect.