If you have tried rodding and flushing and the water still isn't moving, you may have:
Rubber gloves, eye protection, and old clothes to protect against bacteria and splashes. how to unblock external drain
Most external drain blockages – caused by silt, leaves, or surface debris – can be resolved safely using drain rods and manual removal. Chemical agents are secondary and carry risks. Persistent or recurrent blockages require mechanical augers or professional jetting. Preventive measures reduce incidents by over 80% in domestic settings. Always prioritise safety and know when to stop and call a specialist. If you have tried rodding and flushing and