Unexpected warm water failures are common as storage tanks age; mineral build-up from difficult water in parts of Geelong reduces

https://www.pitchero.com/clubs/eyelsh/news/common-plumbing-leaks-that-you-may-experience-2923600.html

Sudden warm water failings are common as storage tanks age; mineral accumulation from difficult water partially of Geelong reduces effectiveness, triggers grumbling sounds, and can result in leaks or irregular water temperatures.