Abrupt hot water failings prevail as storage tanks age; mineral build-up from difficult water in parts of Geelong minimizes

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

Unexpected warm water failures prevail as tank age; mineral build-up from tough water partly of Geelong reduces performance, creates grumbling noises, and can cause leaks or uneven water temperatures.