ok so I wanna add another tank to my room i have a ten gallon tank and im thinking about buying a eclipse hood system with a bio wheel and full spectrum lighting, my question is whats the minumum wattage I need to keep some soft corals and zoos? also do i need any form of powerhead or is it not needed in a 10 gallon tank? i was thinking along the lines of some soft corals a cleaner shrimp or so or maybe just a few seahorses. help!!!