Update, now using 8x39W T5 ( Pacific Sun Fixture )
Brother your tanks looking amazing as always. I would dare to say that with the t5’s I would put money down that the corals will start to have a much fuller more even growth form. The only one I would personally be worried about is the green austera just because they take up so much space once they get to that size they blow up quickly. For some reason i am suprised your birds nest and poci did not explode with growth. I always had trouble keeping them in check. I think they do that with more nutrient rich tanks though which I would say yours is not