Leaking toilet is a common problem for most homeowners. It is something that can damage the flooring and ceilings. For severe cases, it can damage the whole pipeline of your home. The root causes of leaks are problems like pipelines and tank cracks. You would probably need to change tank or worst the whole toilet. If you are homeowner, calling the plumber is the wise thing to do however there are some things that you can do first to repair the leak. The most obvious thing is to tighten all the loose connections that may cause for your toilet to leak.