Originally Posted by marsh
If you are still concerned you could leave a large tub where the splash zone would be to catch the fish so they could survive until you found em.
That would be assuming it was a catastrophic failure and not just a fast leak, which would drain out and let all the fish stay in the tank and die.
At the least, get a big rubbermaid tub, fill it up and put your fish and equipment in it.
Don't cheap out now, be responsible with your fish.