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The Spawning Pool-- 75g shallow square

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Hello TPT, here’s to documenting the life of my bog+pond.

36x36x14 rimless tank, 1/2" Starphire glass, open top

Filtration/circulation-- Fluval 406, Koralia 425, Koralia 240
Heating-- Marineland 300W
Lighting-- Natural sunlight supplemented by a Kessil spotlight

No dosing
No CO2

125 lbs Eco-Complete, 36 root tabs
Die kraken driftwood (courtesy T. Barr)
Locally-collected rocks

Kingdom Plantae
Aquatics- Cryptocoryne sp., Microsorum sp., Nymphaea zenkeri, Sagittaria subulata
Floaters-- Limnobium sp.
Marginals & emergents-- Saururus cernuus, Houttuynia cordata 'Chameleon', Pontederia cordata, Colocasia esculent 'Black Magic', Ruellia brittoniana, Canna 'Pink Sunburst', Echinodorus cordifolius, E. palaefolius

Kingdom Animalia
Vertebrates-- Ctenopoma acutirostre, Melanotaenia boesemani, Poecilia wingei, Otocinclus sp.
Invertebrates-- Ramshorns, pond snails, trumpet snails, bladder snails, feeder shrimp

The bog+pond replaces my extremely overgrown 20g High and 5.5g shrimp tank.

The tank builder was Coast to Coast Custom Aquariums in NJ. Unbelievable customer service, a real class-act. Craftsmanship and attention to details are incredible also. The underside is lined with poplar and all edges are beveled and machine-polished. Fit and finish are superb. I planned on buying that "one tank" and this is it.

The stand I constructed is made of 2x4s with panels stained a dark walnut. The panels are attached magnetically and the space underneath is for supplies and misc.

The tank is situated in a corner of a room directly under four windows. The room faces east so the tank itself receives direct sunlight a few hours a day in the morning only. The rest of the day, the tank receives indirect light slightly diffused by the window screens. The supplemental Kessil Amazon Sun runs two 5-hour photoperiods with a 4-hour siesta in the middle of the day.

The Fluval runs with sponges, bio-balls, and Purigen. With the large surface area and the concern about stagnant water, I went with two smaller powerheads. The Koralias along with the Fluval give me about 10x turnover per hour after accounting for some organic buildup.

There is no testing, no dosing, no CO2, and no water changes unless absolutely necessary. Just top-offs as I see fit with dechlorinated water. I lose anywhere from 1-2 gallons or more per day depending on conditions. In warmer weather, I combat the slight humidity in the room with a dehumidifier going nearby.

I wanted a low-maintenance tank that I could come home to at the end of the day and sit down and enjoy (much like the 20g I broke down). My submerged plant selection reflects that goal so there will be no monkeying at all on the bottom and in the water column. I went with all heavy root feeders and a couple variety of java fern (regular and Philippine). The half dozen crypt species, dwarf sag, and single red tiger lotus all get their nutrients from the root tabs, which I will replace every 2-3 months, more or less, so I expect the Eco-Complete to get better with time.

I went mainly with hardy bog and pond plants for the riparium section, all transplants (harhar) from the previous tank. The lizard's tail and chameleon plant are slowly taking over. The cordifolius sword is shooting new leaves out the water every few days.

In the pond, the Leopard bush fish hunts shrimp, unwary Endler fry/juvies, and innocent skinny-dippers. Once it gets large enough to swallow otos (which won’t be for a couple years at least), I will replace them with bristlenose plecos. Even with the predator, the livebearers population should be sustainable for the foreseeable future. There is approximately a 1:5 adult male to adult female ratio with roughly half a dozen males, and with a gestation time of just 23 days, the spawning pool sees some action. The males are constantly chasing the females in the harem. :eek: Right now, there are roughly 75 fry of all sizes out and about. And finally, the rainbows and otos swim freely and mind their business.

The juvenile delinquents

The settlers

The stranger next door...

The creepy crawlers rule their underworld

That's it for now. Thanks for reading, any questions at all, just ask!
101 - 110 of 110 Posts

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730 Posts
Discussion Starter · #101 · (Edited)
Long weekend overhaul. Moved back the driftwood and gave the riparium section a makeover. Will be breaking down this tank again in about 1-2 months for another move, this time to stay put for a while. No easy task moving this thing, that's for sure...

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173 Posts
AWESOME tank dude. As others have said, I would love to have a tank like this.

· Registered
730 Posts
Discussion Starter · #106 ·
awesome. The execution on the shallow depth is well done. Do you live in the city?
Thanks! No, I'm from Queens/Long Island. I can't imagine one could even turn around in a room out in the city after installing a tank with this footprint out there. :eek:

This is such a beautiful tank!

What's your experience like with the Kessil? It looks like it provides a reasonable spread for the tank, but curious what your thoughts are since you can see it in person.
I like the Kessil a lot. Haven't had any problems with it. The only thing is you might think it's loud in the beginning, but after a few days, you don't hear it anymore. I've had computers over the years that have had more fans and louder than this. I have it about 13" off from the top of the tank and the circle of light covers the 36"x36" area below it perfectly. The light is more concentrated towards the middle, but it's not noticeable that the plants at the edges don't grow or anything-- it's about the same. I do have an extremely low-maintenance setup with low-light plants though, so you'll have to take that into consideration. I think the Kessil fits the aesthetic of the setup perfectly.

· Registered
730 Posts
Discussion Starter · #107 · (Edited)
This tank has been sold to a local forum member. After some consideration, I decided not to take it with me before moving (getting a dog and a cat also "helped" with the decision). It was good while it lasted and I'll miss it, but hopefully we will see it again here under its new owner.

Thanks all for tuning in. Final update on the remaining tank inhabitant, running bare-bones for a week more before the final move.
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