Just wondering if the 48" T-10 Marine-GLo 40 watt bulbs are any good for a 47 gallon tank that is going to have fish, live rock and maybe later a few anemones and such? Don't have the tank up and running yet but am starting to buy the equipment. I want to buy 2 powerheads that rotate also (I think they're made by ZooMed?), has anyone had experience with these?