There is mold on the wall where the toilet is located and in patches straight up the wall
Emland
Jan 21, 2011, 12:10 PM
There is moisture in the wall. Drywall will suck it up like a wick. You may need a new wax seal on the toilet or the water line feeding the toilet has a slow leak.
You need to get the mold under control immediately. It can cause a lot of health problems.