Toilet issues like continuous running, weak flushes

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

Commode issues like consistent operating, weak flushes, or tank leakages typically come from used inlet valves or flappers; in older Geelong homes, out-of-date installations may likewise hide sluggish leakages that stain floors and walls.