I am thinking about putting a second return in my AGP. The main return is within about ten inches of the skimmer, and in my opionion does a poor job circulating the water on the bottom. My thought was since I have a extra return fitting, I would mount it six or eight inches off the bottom of the pool to help stir the dust and debris off the bottom. Also I think this would help maintain a more even temp. throughtout the whole pool. Any thoughts on this?