Sudden hot water failings prevail as storage tanks age; mineral accumulation from tough water in parts of Geelong lowers

https://online.seminolestate.edu/eportfolios/1186/home/why-you-need-a-professional-plumber-to-clear-blocked-drains

Sudden hot water failures prevail as tank age; mineral build-up from difficult water in parts of Geelong reduces performance, causes roaring sounds, and can bring about leakages or uneven water temperatures.