Best for: Kitchen sinks and tough blockages. These usually contain strong chemicals designed to dissolve hair, grease, and food scraps. They work fast (often in 15–30 minutes) but should be used sparingly, as they can be harsh on older pipes.
| Method | Effectiveness | Safety | Best for | |--------|--------------|--------|-----------| | | High on soft clogs | Very safe | Sinks, tubs, toilets | | Drain snake / auger | Very high | Safe (wear gloves) | Hair clogs, solid objects | | Baking soda + vinegar | Low (maintenance only) | Extremely safe | Mild odors, minor slow drains | | Enzymatic cleaner | Moderate (slow) | Safe for pipes, septic | Monthly maintenance, organic waste | drain unblocker products
Best drain unblockers for kitchen sinks, showers and baths - Which.co.uk Best for: Kitchen sinks and tough blockages