Quote Originally Posted by Poolsean View Post
Another good rule of thumb, point your return jets downward. Your pool is best heated from the bottom up. That way you're not dealing with only the top few inches of water being heated, but the rest being much cooler.
True stuff, this is what I love about my in-floor system. The skimmer takes in the hot top-water, and it gets returned via the floor jets. I have no cold spots in my pool, it's uniformly warm.