I am currently flowering two plants w/ seven 23w CFL's 2700k 1600 lumen, one 42w CFL 2700k 2600 lumen, and a 4' tube fluoro w/ two bulbs (40w each) @ 3000k. Would it be beneficial to add a little blue spectrum lighting (the 6500k bulbs, maybe two)? The girls are looking good but I seem to see...