cracked euro mean no water?

[maron6977]

But to answer your question : Ya , it'll probably hold water till it blows apart .
I was really impressed how much glass can bow !

[FishyFishy!]

With 29" high, you'd be asking for trouble eventually. Really depends on the thickness of the glass though..

[babnika]

I once used a few large a wood clamps to support my tank from boing .Then removed brace & all traces of silicone from tank with very fine sandpaper. Replaced brace & silicone without draining tank