Hello. Here are my issues. I have a 75Gal RR tank. With rock and and fish. I got a hippo tang, 2 clown, butterfly, small damsel, and cleaner shrimp. I need water movement. I got an aqua clear 402 and a sieo 620. And need more flow. I also have an AquaC Urchin Pro skimmer and orbit 48" PC lights...