We first published this in 2016 as a full sewer-line guide. CF Plumbing no longer cables, jets, or cameras sewer lines. This updated version explains how to tell a fixture problem from a main-line or sewer backup, and which call is actually ours. “My bathroom sink is draining slowly.” “My shower keeps backing up.” “My toilet flushed, and now I hear the shower gurgling.” We get calls like these all the time. One of the first things we want to know is whether one fixture is hav