How To Unclog A Sink With Baking Soda And Vinegar

Remove the stopper. First, pour a kettle of (not boiling—boiling can crack porcelain or PVC pipes) down the drain to wash away the loosened gunk.

When the two ingredients mix, a chemical reaction occurs immediately. The baking soda acts as a base and the vinegar as an acid. When combined, they fizz and release carbon dioxide gas. This expanding gas creates pressure that helps break apart the clog, while the abrasive texture of the baking soda scrubs the sides of the pipe. how to unclog a sink with baking soda and vinegar