Sudden hot water failures prevail as tank age; mineral buildup from tough water in parts of Geelong reduces

https://classes.iwcc.edu/eportfolios/296/home/common-plumbing-leaks-that-occur-in-homes

Abrupt warm water failures prevail as tank age; mineral buildup from difficult water partly of Geelong reduces efficiency, creates rumbling sounds, and can bring about leaks or uneven water temperature levels.