I so pose it is about time I shared this. It would not have been possible with out Nathan from TSR as I'm very much a noob. The tank is one of TSRs standard 600 cubes with a skinny overflow and return. The sump is also a standard sump built for using Zeo on this cube. It has a auto water change compartment as this has always been a pain in the ass. Front Shot. LHS. RHS. FTS.