wow, thats orsome.....umm, in a terrible kinda way!
Guys, Important service announcement here- if this ever happens to any of you in future, your first trip is to the hardware store to buy some extendable plastic G clamps that table makers use. Better yet buy some now cause there not expensive. (esspesically the asian imports..lol) This will buy you all the time in the world to deciede the correct course of action to take. Or more importantly ensure you have a safe working environment in the coming steps.
Im not sure about acrylic's cutting factor, but glass can potentially kill in a tank rupture. & considering the water only flows in one dirrection on bust out it doesn't take a genious to realise you or your family could be in serious trouble. Second to that electricity
IS your friend, its willing to share its love & effects at every oppertunity.
At the end of the day, braces are to restrict convexitional flex of internal pressure. The bigger the volumes, the bigger the risk. So think smart & protect yourselves.