+1 on the GFCI. It saved me when I had a over flow and lost 5 gals of water from my tank and it ran down the tank equipment wires right into the outlet
Also if you ever change to using T-5"s or other fluorescent lights they may cause interference with tv picutre if they are on the same circuit. Dedicated is best but not always an option so make sure it is at least a GFCI outlet.