Sudden warm water failures prevail as tank age; mineral buildup from difficult water partly of Geelong decreases

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

Sudden hot water failures prevail as storage tanks age; mineral buildup from hard water partly of Geelong decreases performance, triggers rolling noises, and can result in leakages or uneven water temperatures.