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Blocked drain symptoms tell you where to start, but recurring faults need evidence. Restore safe flow first, then use CCTV and locating when roots or pipe damage may change the repair decision.
How high-pressure jetting works
A jetting nozzle directs water through the drain to cut obstructions and flush loosened material along the line. Different nozzles suit grease, roots, silt and general build-up.
How an electric eel works
A rotating cable mechanically breaks or cuts through a restriction. It can be effective in certain lines and access conditions but may create only a narrow opening if the surrounding build-up remains.
Which method cleans more of the pipe?
On a suitable pipe, jetting can wash more of the internal wall and carry debris away. The result still depends on pipe condition, access, nozzle choice and the obstruction.
Why condition matters
High pressure is not appropriate for every fragile or collapsed pipe, while mechanical cables also carry risks when used without understanding the line. A specialist chooses the method after considering the system.
Use CCTV when the cause is uncertain
Camera inspection can confirm whether the blockage is gone and whether roots, cracks or deformation remain. The best decision is not a favourite tool; it is the tool suited to the evidence.
Need help with the drain?
Johnny Drains provides 24/7 blocked drain clearing, CCTV inspections, high-pressure jetting, pipe relining and targeted repairs across the Northern Beaches and Lower North Shore.
