Sharing my setup (most bros probably have seen it):
3x2x15" FGT (stand and rack Chengai wood):
Stackable trays with coral chips and filter wool:
Water outlet (elbow turn inwards to reduce current and noise):
Sump tank (Toyogo tub) with DIY basket to contain dirt and poo from the PVC pipe:
DIY Food Ring (using an unused airtube) to prevent food from flowing into the PVC pipe: