I'm not entirely certain if there's a hard science behind brace sizing, but FWIW, on my 280g (which is 72x30x30), the perimeter bracing is 6"x3/4" glass (super beefy stuff). On my 110g (which is 30x30x30), the perimeter bracing is 2"x1/2" (might be 5/8", not entirely sure) glass.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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