Toilet issues like consistent operating, weak flushes

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

Bathroom issues like continuous operating, weak flushes, or tank leakages often come from worn inlet shutoffs or flappers; in older Geelong homes, out-of-date fittings may additionally conceal slow leakages that discolor floorings and wall surfaces.