Toilet issues like continuous running, weak flushes

https://online.seminolestate.edu/eportfolios/1186/home/why-you-need-a-professional-plumber-to-clear-blocked-drains

Toilet problems like consistent running, weak flushes, or cistern leaks commonly stem from used inlet shutoffs or flappers; in older Geelong homes, out-of-date fittings might likewise conceal sluggish leaks that discolor floorings and wall surfaces.