Get a life glo bulb, they have good spectrum and color peaks.
Like these guys?
http://cgi.ebay.com/LIFE-GLO-AQUARI...632?pt=LH_DefaultDomain_0&hash=item4148ff4ec0
I already have a 24" Floramax plant growth T8 new in box in my closet I just found. Will they do the same thing?