I have in my 35gals SW tank, are this fishes: 1 african, 1 domino, 1 stripe damsel, 2 flower pot corals, 1 red hawaiian lobster , 1 cleaner shrimp ,three feather duster & 1 bubble coral. Is it ok if i add another motor head in my tank? i only have one motor running in my tank, at the moment. Im...