DIY Bracing for 125 Gallon

[Aquitug]

Hello All,

I picked up a 125 Gallon (72" length) on Craigslist for a great price but it looks like someone cut out the old center bracing.

I have access to some good 1/2" thick glass to build a new brace out of. I have been contemplating putting the brace as one single 16" long center piece or possibly doing two 8" pieces every third across the tank.

Any suggestions on which would be more structurally sound?

I am putting it together using Dow Corning 795.


Best,
Gucci