tank repair

Hi everyone, looking for input for potential buy. Found seller with a leaky 55g tank and equipment/chemicals bundle (2 filters, 2 heaters, several testing and treatments) for $100, however seller is disclosing a leak that he estimates took 2 or 3 hours to let go of 15g or so. On the paper the...

So I have some general questions about fixing up an old tank I recently acquired. 1st question. It looks like the previous owner took out the central support, leaving the tank with the risk of bowing. I have been doing some reading and it looks like I can actually order a custom from for it...