160 watts running 12 hours/day.
Okay, that's not too much light. More CO2 would be nice, but it's not
critical.
I think Dave gave you very good advice. A GH of zero is not good for a planted
tank. Perhaps it's a change in water chemistry with the move that has caused
the problem?
Getting your GH up is more important than what kind of bulbs you're using.
Leigh
http://www.fortunecity.com/lavender/halloween/881/