By: Yo-han
May 4th, 2014
5:46 am


I bought a new house a few weeks ago and leaving my rental appartment on the 4th floor in a month, so finally time for a bigger tank! Couldn't find a minimum requirement for posting in the 'Large aquariums and Ponds' section, but I guess this one passes. If not, mods can move it to 'journals'...

The tank:

Unfortunately no 1000+ gallon, but liter. Still, well over 250 gallon, so not a small tank. Here is the thread from my previous (100G) tank: https://www.aquaticplantcentral.com/f...g-planted.html

A few things I wanted to do different than my previous tank. First of all, I no longer wanted an open tank. I love the look, but I didn't liked the fact that I lost a few fish and am limited in the species of fish I could pick. Another thing why I want my new tank to be closed is that with such a large tank, I get too much evaporation. And third, I wanted it opti-white!

I don't like a standard hood either so the cabinet will go all the way up to the ceiling. Something like these aquaria from Oliver Knott, but no see-through:

Mine will be in a corner in front of an 195 cm (77 inch) wall. So will be 195 cm long. The depth is still an ongoing battle with the misses. I want at least 80 cm (32 inch), but she wants it to be 60 cm (24 inch) as max. The height can be as much as I want, but for easy maintenance I want a max of 65 cm (26 inch). I'm no small guy, but my arms can only reach so far:P So it probably will be 195 x 80 x 65 cm (77 x 32 x 26 inch). It will be viewable from the front and left side.

I tried making some Google Sketchup renderings, which wasn't easy, but here they are:
The two door version:

Three door version:


I want a sump. I want the flexibility and want to play more with filter media (if Niko ain't replying on this one someone call an ambulance:P) And I would love to have the sump in the room behind the wall. This will make maintenance easier and also make the tank more silent. But off course, this means drilling some rather large holes in the wall. So maybe it will be placed in the cabinet, not sure yet.

The pump I picked as a Jebao DC 12000. I picked this one because I know people who used it for their reef tanks and it is very silent. It does 12000 L/h (> 3000GPH) and is electronically adjustable. After taking the head pressure into account, it will leave me with a nice 10x flow.
The overflow will be a bean animal style overflow with the entire depth of the tank as an overflow, see rendering:

Sump in the room behind the aquarium:


The lighting I'll be using will be the same from my 100G. This is a dimmable 6x54W T5HO. But this is only 120 cm (48 inch) so I'll probably supplement it on the sides. Not sure how, but I was thinking about the LED floodlights. A 20W 6500K on either side will probable look good, but perhaps someone with experience with these lights can chip in

Rest of the equipment:

UV and CO2 off course. Probably in a closed loop on the sump with my Aqua Medic reactor. 3-4 heaters in the sump, to prevent overheating if one breaks and to prevent under cooling if one breaks. Since working in an lfs I've seen so many tanks being destroyed by overheating or undercooling (more of a problem with reef tanks), when only one heater was used. Perhaps I setup my dosing pump again, not sure yet.

Inside the tank:

Lots of wood with ferns and mosses. Stems on the back and low plants in the front. Sand in front and aquasoil in the back. Separated by stones and plants. Working in an lfs, I certainly will be visiting the wholesale where we get our hardscape from! The fish will be the same as I have now, perhaps some bigger schools (now around 20-25 per species), and I'll add a small school (of about 12-15 fish) of one bit larger fish. Always loved denisonii's, but I've seen them grow to 15-18cm (6-7 inch) which I find a bit large for my tank, but not sure yet. Another beautifull fish would be Dawkinsia rohani, but these will be hard to find:

We have some beautiful altums in one of our showtanks at work as well
Anyway, you get the picture, if someone thinks he knows a better fish, please do tell.

Not sure when the tank will be setup, but as fast as possible

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