I found someone on craigslist who is selling a 125 gallon fish tank for 350 dollars.Today I am going there to check out the tank and I asked the guy to fill it up for water a few days ago,so me and my brother can examine the tank if it has any leaks of any sort.The guy said he had it set up as a aquarium,but took it down,to make it as a snake tank.If there is no leaks from the 125 gallon tank and I bring this tank home,can I just fill it up right away and start to cycle the tank or should I give it at least a couple of days to make sure there is no leaks?The fish tank will be located into the basement on non carpeting floor.So I am not 100% sure,if the level of flooring has a effect on this.