What kind of epoxy?

[Diogenes]

Alright here's the original thread with pics:

http://www.monsterfishkeepers.com/f...t-to-do-now...&p=5221047&posted=1#post5221047

What kind of epoxy should I use to repair this thing? Is epoxy bad for corals or fish? This is going to be a marine tank.

Thanks.
-C