plumb

Do I need to support the plumbing coming from the overflow? I’m doing bean animal so there are a lot of pvc. But it coming straight down and forward.

Okay we have put the tank on the stand, Very Heavy, had a buddy help. Plumbing is dry fit currently. Would like feedback if everything looks good or if I need to change anything (means ordering more parts, so hope not) It's my first time running a sump so.... My main drain has the gate...

Currently in the middle of plumbing a 45 gal cube with a small overflow with two 1" drains. However my Proclear Aquatics Freedom 4-in-1 100 refugium only has one 1" input. Should or can I plumb them together so they both drain int to the 1 input? As pictured (Will that have any restrictions on...