This classic eco-friendly reaction helps break down organic matter and grease. Blockages and blocked drains | Waste help - Thames Water
| Method | Tools Required | Effectiveness | Best For | | :--- | :--- | :--- | :--- | | | Cup or flange plunger | High (minor blocks) | Toilets, sink drains, tubs. | | Drain Snake / Auger | Hand-crank or drill-powered auger | Very High | Hair clogs, soap buildup, near-surface obstructions. | | Hydro-jetting | High-pressure hose with specialized nozzle (requires professional) | Excellent (full pipe cleaning) | Grease, sludge, mineral scale, tree roots (small). | | Drain Bladder | Expanding rubber bladder attached to a garden hose | Moderate to High | Loosening soft blockages in larger pipes. | cleaning blocked drains