I have be using 3 360 tuna blue's on my 180. I love the shimmer and colors, not to mention they go very well with the Apex controller. My only issue is growing sps. I am now going to add 6 80 watt t5's. I am looking for some advice on the types of t5 bulbs I should purchase. I will be using 6 t5's and my kessil's at a very very low intensity. Please advise on what you use to get your growth. Thank you for your time.