Unexpected warm water failures prevail as storage tanks age; mineral buildup from tough water partially of Geelong lowers

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

Abrupt warm water failures are common as storage tanks age; mineral buildup from hard water partially of Geelong reduces effectiveness, causes rumbling noises, and can lead to leaks or irregular water temperatures.