Open the Cap Carefully: Loosen the cap slowly. If water starts spraying out, the line is under pressure. Step back and let it drain slowly to avoid a "sewage explosion."
What is your drain showing? (gurgling, slow draining, or a total backup?) Do you know if your pipes are PVC, clay, or cast iron ? Are there large trees planted near your sewer line path? cleaning main drain line
Feel for the Clog: When you feel resistance, you have hit the blockage. Rotate the cable to break up the debris or hook onto the obstruction (like a mass of wet wipes). Open the Cap Carefully: Loosen the cap slowly
Best for: Grease, sludge, fine debris. Requires access to a hose bib. cleaning main drain line