Commode concerns like constant running, weak flushes

https://www.pitchero.com/clubs/eyelsh/news/common-plumbing-leaks-that-you-may-experience-2923600.html

Bathroom concerns like constant running, weak flushes, or tank leaks frequently originate from worn inlet shutoffs or flappers; in older Geelong homes, outdated installations may additionally hide sluggish leaks that discolor floors and walls.