Hydro jetting is safe for many types of piping, such as PVC, copper, and cast iron. Nonetheless, It's not at all suggested to be used on sewer lines that are made of clay or have weak joints. This tends to not simply make your job go smoother and less complicated, https://troyyfmrw.wikirecognition.com/1564806/getting_my_hydrojet_sewer_line_to_work