Please be very careful. My father had a 29g tank that popped (we think since it was on carpet [unstable]) and I came downstairs one day to see fish flopping on a drenched carpet. I would suggest emptying the tank, finding the leak, and if you're not sure how to patch it up find someone who can do so or simply dispose of the aquarium.
I work for a pet store and we have something called RTV (return to vendor). Go back to where you got it from and tell them you want another one and don't stop till you get it. Tell them it was a manufacturer's defect and you'll get your way... Don't stop till you do!