Just came back from shopping and I stopped into a shop that has been
favorable mentioned here. They have on display and are selling a glass
tank (probably no more than 30 gal or less), complete with lighting and
a some kind of built in media filter. Kind of an all in one kit - the
tank is a weird shape - kind of deeper than wide). All for $199.00
Canadian!

Most amazingly, it's got about $400 or more worth of livestock in it
including live rock, 3 clown fish (they call it the "Nemo" tank), AND
4-5 corals including some hard corals.

The store owner said that it's been going for a couple of months with no
apparent problems, all healthy, etc. He uses treated tap water to top
up, no skimmer, just really really simple.

How can this be?