Let the mixture sit for 30 minutes (for maintenance) or up to 2 hours (for a slow drain). You will hear fizzing, popping, and maybe even a gurgle. That is the sound of victory.
Why cover it? You want to trap the carbon dioxide gas and pressure inside the pipe so it pushes against the clog, rather than fizzing up into your sink. drain clog remover baking soda vinegar
For a slow, smelly, gurgling drain, skip the hardware store. Go raid your kitchen cabinet. Your pipes (and your lungs) will thank you. Let the mixture sit for 30 minutes (for
Baking soda and vinegar turn into water, carbon dioxide, and sodium acetate—all harmless. drain clog remover baking soda vinegar
So why bother with the fizzing kitchen experiment?