 Yeah, FSM is reasonably priced. It's as good as there is. I wouldn't tell you it was good if it wasn't. Dr. Injector FSM. Available at your local Dr. Injector store, Amazon, or eBay. DocInjector.com. Facing a plumbing issue? If it's a leak, backed up drains, even a sewer line replacement, would it make sense to hire a Jack of all trades? Or...