but it doesnt have a 6500 kelvin spectrum. isnt that important for vegging??it'll fit but want work no ballast but home depot and lowes sell 65w cfl (300w equiv) for about the same price as that
http://www.lowes.com/pd_46931-75774-L65TN_5003700_?productId=3197521&Ntt=cfl&Ntk=i_products&pl=1¤tURL=/pl_$15%2B-%2B$25_5003700__s?Ntk=i_products$Ntt=cfl