Use a drain auger (aka a snake) to reach clogs deeper in the pipes ... Close it and fill the tub with about an inch of water to make sure it holds. If not, make adjustments until it does.

Golly, there’s times where we snake ... drain snakes with teeth like a zipper designed to grab hair and other clog-y messes are a fantastic tool for the home plumber. “If it’s a tub or ...