On the new 72g bow front I need a light for my plants (when I get that far) Wondering about using the same one I have on my planted 55g -http://www.bigalspets.com/fish/light...x-54-w-48.html

It is 48" and 108 watts. (Should be about 1.5 - 1.6 WPG the 55 is probably more like 2 WPG)

Thoughts?