Hi, I have a BTA in a 40 Gallon H, I have two 295 Maxijet Powerheads to give an nice flow. There is about 40 # of live rock. I bought him and it took him about a day to find his place in a crevice. For lighting I have a PC, it has two 96-watt lights in it (one actnic and one 12000 K). I've tried...