On 2004-10-04, James Smith wrote:
Usually the convention with flourecents is 2-4watts per gallon, or 20watts
per sq foot surface area.

However for the same length tube (i.e 36in) a T8 flourescent is 25w and a T5
39w.


http://fins.actwin.com/aquariafaq.html
http://www.thekrib.com/Lights/


--
"I have to decide between two equally frightening options.
If I wanted to do that, I'd vote." --Duckman