randy Posted June 22, 2008 Report Share Posted June 22, 2008 (edited) Edited June 22, 2008 by randy Quote Link to comment Share on other sites More sharing options...
Calab Posted June 27, 2008 Report Share Posted June 27, 2008 I'd sure like to know how this was done! Quote Link to comment Share on other sites More sharing options...
french fries Posted June 27, 2008 Report Share Posted June 27, 2008 That is very neat,I wonder how they do it. There is also another tank like that with parrot fish in it. Quote Link to comment Share on other sites More sharing options...
Drydock Posted June 27, 2008 Report Share Posted June 27, 2008 There must be some sort of vacuum at the top of the column... Otherwise the air stone they showed would displace all the water and it would fall. (as in the case of a sealed top) I would think it would need some fairly significant tweaking to find the right balance. It gives me a bigger appreciation for it, that's for sure Quote Link to comment Share on other sites More sharing options...
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