Avoid chemical drain cleaners (like caustic soda) if possible. They are harsh on your pipes, terrible for the environment, and dangerous if they splash on your skin or eyes. The methods above are safer, greener, and often more effective.
There’s nothing worse than standing in a pool of cold, soapy water while you wait for your bath to drain. A slow-draining bath is not only annoying but also unhygienic, trapping hair, grease, and bacteria. unblock bath plughole