Q. Howdy, Tim. I discovered on askthebuilder.com that you’ve been a master plumber for 40 years. I recently moved from a city house on a city sewer to a rural retirement home that has a septic tank.

Q: I recently moved from a house on a city sewer system to a rural retirement home that has a septic tank. What can you tell me about septic tanks? At my last home, I had clogging issues in my main ...

For reasons I do not fully understand, sewer lines are most likely to get clogged when one is having a big gathering at the house. Sometimes it’s just because a well-meaning volunteer in the kitchen ...