with out buying any thing .this is what i have on hand. ge energy smart bulbs at 27 watts 1700 lumens. 2 ikea self ballaseted lamps 10w 500lm . one ge helical 26w . one 2320 IC (400) 20w bulb. i'd like to know if any are useful for a grow with 3 plants in small room. just a beginner. if not i'll...