Toilet issues like consistent running, weak flushes

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

Bathroom problems like continuous running, weak flushes, or tank leakages often originate from used inlet shutoffs or flappers; in older Geelong homes, out-of-date installations may likewise hide sluggish leaks that discolor floors and wall surfaces.