Bathroom issues like constant operating, weak flushes

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

Commode issues like consistent operating, weak flushes, or cistern leaks typically stem from used inlet shutoffs or flappers; in older Geelong homes, out-of-date installations might also hide slow-moving leaks that discolor floorings and wall surfaces.