09-16-2006, 11:12 PM
Join Date: Sep 2004
Location: Geneva, Switzerland
I'd try to get between 300 - 400 watts over the tank. I'd recommend T5 tubes... anything with a spectrum between 5,000 and 10,000 should be fine.
This amount of lighting assumes that you are/will be adding CO2 and fertilizing adequately (both macros and micros)...