Toilet concerns like constant running, weak flushes

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

Bathroom concerns like consistent operating, weak flushes, or cistern leaks often come from used inlet shutoffs or flappers; in older Geelong homes, obsolete installations may likewise conceal sluggish leaks that tarnish floors and wall surfaces.