3
votes
1answer
335 views

Cleaning film out of plastic drain pipe

The drain pipe and trap on my bathroom sink are made of plastic, and every four to six months I find that it slows down. When I disassemble it, the pipe walls are coated with maybe 1/8" of disgusting ...
5
votes
3answers
6k views

Do I need a separate vent stack for my kitchen sink?

The drain line from my kitchen sink drops down through the basement, into the basement floor (Concrete), and I assume under the floor to the main sewer line. The sink tends to drain slowly. Should I ...