Thanks! I may take you up on that in the futurei have full bottle of the cement to fix it you can have it for free if you like.
Oh no no...I got a second eclipse tank previously USED from another kind board memberAtom, is this your BRAND NEW Eclipse tank? If so, I highly recommend that you take it back to the store! They can get you a replacement tank shell for your Eclipse! Or, call Marineland and they'll mail one out to you. (They sent me a new hood and light when mine broke)
I've had Eclipse tanks for years and have never seen anything like that. Unless you're keeping a rhino in that tank, it shouldn't be cracking!