I got a new species of seahorses, H. Barbouri. They are extra special and delicate. So for them, I got a 120 gallon 48 x 24 x24 + 40 gallon sump + all the usuals, Skimmer, UV, return. I'm using 3/4" PVC for return and 1.5" drain.
The tricky part to this is that I need to get more o2 in the...