$200 for a sump is ok, same price tag look different in different people's eyes.
I made a sump out of a 20G tank(got it for free), a lot of bio-filter media and fast flowing water in that sump, so it works really good for my 168G tank.
I made a sump out of a 20G tank(got it for free), a lot of bio-filter media and fast flowing water in that sump, so it works really good for my 168G tank.