Sudden warm water failings prevail as storage tanks age; mineral accumulation from tough water partly of Geelong minimizes

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

Unexpected hot water failures are common as tank age; mineral buildup from tough water partially of Geelong decreases efficiency, creates grumbling sounds, and can cause leaks or irregular water temperatures.