I have a brand new 48" Odyssea T-5 4 X 54 Watts, 12000k. Is this a good enough set up to be able to have corals in the near future? Also, I have not even seen anybody using 12000k Lights, should I switch to 10000k, and/ or some actinics with that? I have a 55 Gallon tank that has been set up for...