Hi All, and thanks to everyone for this board and the valuable info.
I am building a 20x40 IG liner pool with aluminum walls.
Equipment: Pentair WFDS-6, Triton TR-100 side mount sand filter. (Not the filter I ordered, long story), 2 lumio lights, 2" plumbing, 1 skimmer, 2 returns.
I thought I...