For more stubborn clogs, salt adds an abrasive element that helps scrape away internal pipe buildup.
This report evaluates the effectiveness of using baking soda (sodium bicarbonate) to unclog shower drains. While a popular DIY solution, the method requires specific chemical reactions and mechanical actions to be effective. The findings suggest that baking soda, particularly when paired with vinegar and hot water, is effective for but is generally ineffective against severe blockages, solid objects, or extensive mineral buildup. The report outlines the recommended procedure, the science behind the method, and its limitations. unclog shower drain with baking soda