Toilet issues like continuous running, weak flushes

https://share.relay.edu/eportfolios/217/tom-cruise/tips-on-keeping-your-plumbing-system-properly-maintained

Bathroom concerns like consistent operating, weak flushes, or cistern leaks frequently come from used inlet valves or flappers; in older Geelong homes, out-of-date fittings may additionally hide sluggish leakages that discolor floorings and walls.