[Pics of my cichlids new home :) SBD]

I like the way you have moved the heater to the side, so that it doesn't obstruct the view too much.

Nice looking fishes....

[Hole in the bottom installation.]

I recently drilled 19mm holes in a couple of my two foot tanks. The drill I used didn't look sharp but it worked.

Search for You Tube videos on how to drill a fish tank

Here is one example.....

Hope it helps