Quote Originally Posted by crosso
Is it better for circulation if you point your returns up or down? I have an 18 x 36 inground vinyl pool with no main drain, one skimmer and two returns. (I also have a polaris with a booster pump).

Thanks

Casey

I have a 20x40 and keep one up and one down which works great. Do you get adequate circulation with just one skimmer? I ask as mine has a main drain and two skimmers so I am kind of surprised that you get by with only one on a pool that is not that much smaller surface wise.