When a Morning Drip Turned Into a $12,000 Repair: Laura's Story
https://xeon-wiki.win/index.php/Mineral_Buildup_Cutting_Your_Water_Pressure_%E2%80%94_Why_Your_Bill_Doubled_Even_Though_You_See_No_Leaks
Laura woke up to a faint sound she barely noticed - a tick, like a metronome from inside the wall. She dismissed it, poured coffee, and left for work