[header] How to unclog a slow running bathroom sink drain [title] Gather your materials. [step] Instead of relying on drain cleaner products, which are often corrosive and can cause allergic reactions and respiratory problems, you can use household items you likely already have. You will need : [substeps] Rags baking soda vinegar lemon boiling water [title] Measure out your ingredients. 
[step] Take ¼ cup of baking soda , 1 cup of white vinegar, and 1 large pot of water to boil. Have a rag or sink stopper handy.