Commode issues like consistent running, weak flushes

https://learn.multnomah.edu/eportfolios/918/home/why-you-need-a-plumber-to-clear-blocked-drains

Bathroom concerns like consistent operating, weak flushes, or tank leaks commonly stem from worn inlet shutoffs or flappers; in older Geelong homes, obsolete installations might also hide slow-moving leaks that stain floorings and walls.