I've just started getting heavily into planted tanks and have decided to go out, however my cheapness is causing some restrictions.
I've been doing some research, and I think I understand the basics of plant growth and maintenance enough to begin my planted adventure with my 20 long guppy/cory tank. So my question is, would 2-4 23 watt CFL lights (5000k or 6500k) be enough for medium light? I'm not looking for some insane light, just a moderate level.
Also, if someone could provide me with a DIY link to do this SAFELY it would be greatly appreciated. I can search, just tell me to get off my butt and do it.
:P thanks in advance.