, have pipe-cleaning attachments that propel themselves into the drain to blast through silt. Drain Snake (Auger): Best for physical obstructions that need to be hooked or broken apart. 4. When to Call a Professional Sometimes a DIY fix isn't enough. You should contact a specialist if: Multiple Drains Affected: If your bathroom sinks and toilets are also slow, the main sewer line is likely blocked. Persistent Sewage Smell: Foul odors that won't go away can indicate broken or collapsed pipework. Visible Structural Damage: If you see water seeping through walls or cracks in the pavement. Prevention Tips Use a Strainer: Catch food scraps before they enter the system. Never Pour Grease Down the Sink: Collect fat in a container and throw it in the trash. Weekly Maintenance: Flush your drains with a kettle of hot water once a week to prevent grease build-up. Would you like to find a