Some algae in my opinion is actually desirable and leads to a more beautiful and natural looking tank.
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+3733+16768&pcatid=16768
would that light fit on the standard hood that comes with the tank? or is that to thin? because if i can just buy one of those then it will save me money..unless its bad? help me out please.