i have this same set up, but do yourself a big favor and raise that T higher so that the whole system looks like a giant T. The design you have now has the water being pushed up, then sideways, then up again. I noticed when i did this that it reduced the pressure alot. When i rebuilt it the right way, the change in pressure was considerable. i would draw you a picture but i have no computer skills at all. Hope this helps
125gal. megaflow. Fish Residents:
Yellow Tang -(Junior), Flame Angel -(Flamey)
Bicolor Blenny -(Butch), Randall Jawfish -(Jaws)
Lawnmower Blenny -(Lenny), Talbot's Damsel -(Dottie), Tomato Clown -(Ketchup)
Nameless fish include, Neon Blenny, Singapore Shrimp Goby, Yellow Tail Damsel, 1 Skunk Cleaner Shrimps, purple pseudochromis.