It seems like floor leveler would just run down the opening for the toilet drain pipe.
How to level floor around toilet.
Caulk the toilet to the floor if the problem is fixed.
We are upgrading the bathroom and the floor ceramic tile over installed over plywood is out of level and the low spot is around the toilet.
Although installing a toilet is an easy project an uneven floor can complicate matters.
Tiling around the toilet flange.
Open to any suggestions.
Sit on the toilet to press the toilet firmly into the wax ring keeping the toilet level.
Use a caulk gun to squeeze a bead of caulk around the base of the toilet where it meets the floor.
Place the carpenters level across the toilet bowl side to side and note where the bubble level is.
If adding washers or shims fixed the problem the only thing left to do is to caulk the toilet the the floor.
Hammer a shim gently between the floor and the toilet base to bring a low side up.
Push the toilet carefully to the side so it is level.
Place a level on the back of the toilet.