Mp40s x 4Awesome. Are those MP40's or 60's? Seems like those corals close to the powerheads would have their skin ripped from the bone. How do you have them set? ReefCrest? 100%? And are those all the flow you have - just the 2 heads plus the circulation pump?
I have two on each side and run them off set so the water recirculates and switches flow patterns on reef crest