Okay attached is a quick sketch of what I'd like to accomplish. I am going to run a 125gal heavily planted community tank with small tetras and catfish.
I am not really concerned about equipment being seen. Being heavily planted with a canopy, most will be hidden. My real question in with my intents. I will not be running a traditional sump. I want to keep my water level at a constant here and a sump is perfect. I have a 55gal open top and I hate it when the water level drops.
At the same time I want to use the sump as a Quarantine tank for fish & plants that I purchase. I plan to overstock this tank with corydora, cardinal, ots, etc....small fish. I want to introduce the load in groups of 10-12 at a time to prevent bioshock to both tanks tanks for a 2-3 week monitoring period. The ones that make the 2-3 week visit, will move to the display tank. I can then do a 50% water change on the holding tank and to keep the bacteria alive once its inhabitants are moved to the display tank, I'd kick in the overflow again.
I don't have alot of space in my house for a holding tank so I figure I can kill two birds with one stone. By combining the display and quarantine tank as one it gives me the ability to run the tanks independently when needed.
Does anyone see this being flawed or have any suggestions or advice for something to be cautious of. So far the only problem is getting the tank fitted for the drain. I do not want to include any other piece of equipment other than whats on the sketch. I need the back of the tank to be as flush as possible to my wall.