Mineral Buildup and a Fickle Pilot Light: What Took Me Years to Understand
https://www.nav-bookmarks.win/stop-basement-backups-and-broken-sewers-a-practical-30-day-fix-plan-for-root-damaged-lines-standpipe-issues-and-undersized-pumps
I used to think a sputtering shower or a pilot light that keeps going out were isolated annoyances