Q. What’s the best way to repair and maintain the cast-iron pipes in my 134-year-old house? We have had multiple waste water ...

Scrape off the old wax ring from the flange, toilet base, and floor using a putty knife. Inspect the flange for cracks, rust, ...

I doubt there's a DIY plumber out there who hasn't experienced the frustration making multiple trips to the hardware store to complete a repair ... Cast iron was a common material for drain pipes ...