Toilet concerns like continuous running, weak flushes

https://academy.educause.edu/eportfolios/12410/home/reasons-why-homeowners-trust-plumbers

Toilet concerns like constant running, weak flushes, or cistern leakages usually come from used inlet shutoffs or flappers; in older Geelong homes, out-of-date installations might additionally conceal slow leakages that tarnish floorings and walls.