Apartment Balcony Pond

Lansirill

Mathemagician
Jun 14, 2007
248
0
16
Washington, DC
I'm toying with the idea of trying to make a small pond for my balcony. My fiancee isn't so keen on me getting another tank just yet and I can't really blame her, but she was interested when I mentioned putting a small pond on the balcony. I want to use something simple like a heavy garbage can or storage container, possibly something more visually pleasing like a barrel if I can make it work, as the pond.

It can get reasonably cold in the winter, so at some point I'll need to be able to haul the thing inside. As such I don't plan on making it very large, probably only 30G and certainly no more than 50G. My balcony has a SE exposure so I imagine I'll have an abundance of sunlight. Fortunately my balcony is set into the building so I should be able to provide enough shade to keep the water from cooking the fish. I am concerned that with such a low volume of water I may not be able to handle temperatures outside of the 60-80F range, which may kill this idea right away.

Assuming the ambient temperature won't be too much of a problem, what other problems might I face? What other equipment will I need? I imagine I'll want a filter, but what else? I don't have an outlet available on my balcony so I'm trying to keep my electrical devices to a minimum.

I'm really not even thinking about what fish to put in yet. Right now I'm thinking I could do small goldfish, white clouds, or bloodfins. I don't want to get attracted to fish while I'm still not even sure if this is feasible.
 
hm not sure how it would really work without having an electrical source for a filter. Could enough plants be provided to create oxygen and then just do frequent water changes?
your apartment balcony sounds like mine, now I must wander the neighborhood looking for trash cans filled with water on balconys...
 
I was thinking about using a battery to keep the filter going. I picked up a jump start kit for my car for fairly cheap that, along with an inverter, could keep the filter going (it may actually have a built-in inverter... I forget). I just wouldn't want to run very much off of this since, well, it's a battery so it'll drain. It's entirely possible that even with an under powered filter I'd end up draining the battery way too fast for this to really work though.
 
I would check to make sure the balcony can handle the weight of a pond before you do anything.
 
If the balcony collapses under the weight of 30-50G of water, I will be very happy that the water collapsed the balcony rather than, say, me and a few of my friends standing too close.

It may be more accurate to call this a outdoor fish tank that is meant to be viewed from the top rather than the side. It's a somewhat unwieldy phrase, however.
 
I saw something like this on another site,,, It was pretty crazy.
 
Ug filters can work by moving the water with air, maybe instead of an air pump you could use a compressed air tank, noy sure how long it would last before needing refilled.
 
Ug filters can work by moving the water with air, maybe instead of an air pump you could use a compressed air tank, noy sure how long it would last before needing refilled.

use an air compressor.
with the regulator set to low pressure (as low as possible basically) it would take a while for even a one gallon air compressor to run out of air during a power outage.
 
An undergravel filter might just work. It would give me some experience working with compressed gas for whenever I try to do some proper compressed CO2 in my main tank as well, which is a plus.

Is there any reason for suggesting an air compressor over a compressed air tank? I'm guessing it's simply because I can refill it fairly easily and it (maybe) has all the regulator hardware hooked up already. Are there other reasons?
 
You are trying to do this with out electricity, right? Air compressors run of electricity. So you would have togo with the air tank.
 
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