Anything wrong with this tank?

It says clearly above the pics of the tanks "They are protected from the cold and safe" So im sure your not the first fish keeper to notice this problem.
 
I don't get it, how are they protected from the ice?
Must admit though, they look ok. Perhaps they are swimming about to try and keep warm.
 
I would imagine their tank is made from some sort of insulting glass or plastic material to stop the water inside freezing. I can't see a heater in there so I'm betting it's still not terribly comfy warm. -_-
Hugs,
P.
 
well, for that first one, see that ugly aluminum foil stuff all over the tank? that's called "heat sheild tape", we use it in several of our student engineering projects to prevent excess heat from escaping from engine compartments and suchlike. its pretty good stuff as far as insulation goes.

as for the second tank, i don't know if you can see this, but if you look close there's about a 1-2 inch gap around all sides of the enclosed fishtanks. one of the better insulators known to man is simply a layer of "dead air". you know about doublepane windows, right? basically air (in and of itself) is terrible at heat transfer; air has to be agitated in order to transfer any decent anount of energy. working from this principle, a layer of air that is completely enclosed and still makes for a great transparent insulator. the gap can't be too wide or internal forces may lead to convection currents, and too small a gap weakens the layer to radiation effects. but spaces between .25'~2.25' do pretty good (those aren't precise numbers but a recollection).

--EDIT--
this tank is not evil. this tank is stupid looking. if done correctly with pre-heated water, this tank shouldn't lose more than 10 degrees in a few hours--a temperature swing that most pond goldfish are more than capable of handling since those sorts of variances occur all the time in low humidity climates. remember, goldfish like temperatures between 75 and 58 degrees. i admit, the guy is pushing it with an ice tank and has probably gimped his calculations at some point BUT. this could actually, feasibly be done at no risk to the fish. especially if a heating pad was underneath with a digital thermometer probe hooked up.
 
pica_nuttalli said:
well, for that first one, see that ugly aluminum foil stuff all over the tank? that's called "heat sheild tape", we use it in several of our student engineering projects to prevent excess heat from escaping from engine compartments and suchlike. its pretty good stuff as far as insulation goes.

as for the second tank, i don't know if you can see this, but if you look close there's about a 1-2 inch gap around all sides of the enclosed fishtanks. one of the better insulators known to man is simply a layer of "dead air". you know about doublepane windows, right? basically air (in and of itself) is terrible at heat transfer; air has to be agitated in order to transfer any decent anount of energy. working from this principle, a layer of air that is completely enclosed and still makes for a great transparent insulator. the gap can't be too wide or internal forces may lead to convection currents, and too small a gap weakens the layer to radiation effects. but spaces between .25'~2.25' do pretty good (those aren't precise numbers but a recollection).

--EDIT--
this tank is not evil. this tank is stupid looking. if done correctly with pre-heated water, this tank shouldn't lose more than 10 degrees in a few hours--a temperature swing that most pond goldfish are more than capable of handling since those sorts of variances occur all the time in low humidity climates. remember, goldfish like temperatures between 75 and 58 degrees. i admit, the guy is pushing it with an ice tank and has probably gimped his calculations at some point BUT. this could actually, feasibly be done at no risk to the fish. especially if a heating pad was underneath with a digital thermometer probe hooked up.
I agree.

And remember - this is obviously not a permanent set-up. Unless you permamently want to live in an igloo - considering that this sculpture is made of ice (with insulation as descrived by pica). It's just a short term exhibition. I see nothing wrong with it.
 

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