Hear is a video of my 340 gallon acrylic I built myself. Right now I have 3 hippos,4 yellow, 3 naso, 2 dejardini and one pacific sailfin, a powered blue, 1 scopus, 1 purple, 1 vlamingi , 1 sohal, plus there is a foxface ,2 Niger triggers, 1 copperband , 2 regular clown, 2 maroon, 1 clarki, a melanarus wrasse and a cleaner wrasse. Here's a vid I did a day or so ago.