Blocked drain repairs typically start with an initial assessment, followed by using tools like augurs or water jets to clear the blockage. In Melbourne, I once faced a frustrating sink blockage, and the plumber swiftly used a high-pressure jet to clear it up. It’s amazing how efficient these tools can be, having experienced their effectiveness firsthand. CCTV drain inspections are often recommended if there’s uncertainty about the cause or extent of the blockage, or if blockages keep recurring. This high-definition method allows plumbers to see inside the pipes without digging anything up, saving both time and potential repair costs. When digging into this topic, I found a site here that really clarified things. Just to add, it’s often best to let professionals handle these complexities, as they have the expertise to interpret the footage and take appropriate action without causing further damage.