1 inch? Wow. That's going to cost... err.... yeah, here's the best price I got so far.
4 x 8 x 1/2"= $365.25 ea.
4 x 8 x 3/4" = $552.38 ea.
No word on shipping and handling though.
I think I'll start looking around freecycle for some larger aquariums at this rate.