Originally Posted by Flake
As far as I know, T5's have the same output but without the heat. I don;t know too much so don't take my word for it. :]
T5HO are good for some LPS
and some softies but you are going to need MH
for that tank 24" is fairly deep the MH
's give you better penetration. It would be cheaper to build a fixture out of wood and put in a retrofit kit. You could make it look like one light.