I've got my 55 gal with some corals going and all is great so far. I recently got a powerhead for current but maybe my placement and aim is wrong. It's in the back corner on the side blowing straight across the back and very slightly downward. Current seems good but am worried about the flow across the bottom on the return, my Kenya trees are laying almost on their sides as things are right now. Just wanted some ideas on where your guys placed yours and how they're aimed. Any thoughts...