im usein a 2ft 18watt flursecent red n blue hydroponic growboard from china its on ebay, LED QTY: 225pcs, blue (60)/red(165)= 225 total, blue light wavelength: 460-465nm, red light wavelength: 650-655nm, 14 watts plus 4 x 60watt energy saving stick bulb (clf) its doin the job perfect hope that helps