Sudden hot water failures prevail as tank age; mineral build-up from tough water partially of Geelong reduces

http://photohistory.oregonstate.edu/works/half/the-importance-of-regular-plumbing-maintenance

Unexpected hot water failures are common as storage tanks age; mineral buildup from hard water partially of Geelong minimizes efficiency, causes rumbling noises, and can result in leaks or irregular water temperatures.