Sudden warm water failings prevail as tank age; mineral accumulation from difficult water partially of Geelong reduces

https://learn.multnomah.edu/eportfolios/918/home/why-you-need-a-plumber-to-clear-blocked-drains

Sudden hot water failures are common as tank age; mineral build-up from hard water partially of Geelong reduces effectiveness, triggers rolling sounds, and can bring about leakages or irregular water temperature levels.