t5 ho bulb question

Ok till I save up more cash for a led set up I am stuck using a 2 bulb 36 zoo med t5 ho system. My tank is a 65 gallon the more cube style. Right now I am running a 10k bulb with a atinic 420. All I have in my system is zoas, mushroom, GSP, xenias and a big Duncan and almost forgot my ric. I am seeing growth out of my zoas and rics and everything else is starting to and the Duncan is too new to tell. I wanna make sure I am getting the most light for growth for my fish and my coral. I have been looking at going with ATI coral plus and blue plus. My question is would this be better then what I am running now and do you think I would see better growth. I know I need better lights like I said but intill then this is what I have.