Are these sets plug and play? Do they include ballasts?
Thanks t
tony
http://www.reefgeek.com/lighting/Met...Retrofit_Kits_(MH_&_PC)/48_inch__Retrofit_w!_2xMH_&_4x65W_Powercompacts_(Linear_Pin)_by_Hamilton_Technology
also what do u think about these lights and what upgrade would you choose if any.