Yeah I would just redirect the jets where most of your deadspots are, that's how I made mine, as I pretty much knew beforehand where all the poop was collecting, directing the flow to the back of the tank behind the rock work, the majority of the caves, as well as the back corners, blowing the poop to the front of the tank, where one of the outtakes (sweeping from one side of the back corner to the other side and the front corner) and the spraybar (usually set at 45 degrees, blowing to the bottom front of the tank) kick it up and keep it suspended until it is finally caught by the intakes.
As far as I know, most if not all plecos are poop producing factories, so I guess you're either stuck with one and can successfully filter the crap out or just don't keep one at all.