Abrupt hot water failings are common as storage tanks age; mineral accumulation from tough water partly of Geelong decreases

https://share.relay.edu/eportfolios/217/tom-cruise/tips-on-keeping-your-plumbing-system-properly-maintained

Sudden warm water failures are common as tank age; mineral accumulation from tough water partly of Geelong lowers performance, triggers roaring noises, and can result in leaks or irregular water temperatures.