How do you clear a clogged shower drain?

A clogged shower drain can be a frustrating and unpleasant problem, leading to slow drainage, standing water, and even unpleasant odours. Over time, hair, soap scum, and other debris accumulate, restricting water flow. Fortunately, there are several effective methods to clear blockages, many of which require only basic household items. Regular maintenance can also help prevent future clogs. This guide will take you through the most effective ways to clear a clogged shower drain and keep it running smoothly.

A clogged shower drain can be frustrating, but understanding the common causes can help you prevent future blockages and keep your drain flowing smoothly:

• Hair - Every time you shower, strands of hair and millions of dead skin cells shed from your body. While some drain away easily, others cling to the walls of the drainpipe, accumulating over time and causing blockages.

• Soap residue - Soap residue can mix with minerals in the water to form a sticky film inside pipes. This film traps hair and other debris, leading to clogs.

• Hard water deposits - If you live in an area with hard water, mineral build-up can occur within your pipes.

• Foreign objects - Small items can accidentally fall into the drain and obstruct water flow.

Here are some of the best ways to unclog your shower drain:

• Flushing with hot water: Pour hot (but not boiling) water down the drain to break down soap scum and minor blockages. Avoid using boiling water on PVC pipes to prevent warping.

• Using a plunger: Fill the shower with enough water to cover the plunger’s base, and plunge vigorously for about 20 seconds. Repeat as necessary.

• Baking soda and vinegar: Pour one cup of baking soda down the drain, followed by one cup of white vinegar. Plug the drain and let it sit for an hour, then flush with hot water.

• Manual removal: Remove the drain cover with a screwdriver, inspect the blockage with a flashlight, and pull it out with gloved hands. Use a wire hanger or a plumber’s snake for deeper clogs.

• Chemical drain cleaners: Use chemical drain cleaners sparingly, following the manufacturer’s instructions. Wear protective gloves and avoid frequent use to prevent pipe corrosion.

If multiple attempts to clear the clog fail, it may indicate a more serious blockage deeper in the plumbing system. A persistent, foul smell or repeated blockages could mean issues with your main sewer line. A professional plumber can use specialised tools to diagnose and resolve complex drainage problems; you can find a plumber using our search tool to resolve the problem quickly and efficiently.