Immediately follow with 1/2 cup of white vinegar . Cover the drain opening with a plug or a damp cloth to force the fizzing action downward into the pipe.
Wait 15–30 minutes . During this time, the chemical reaction (carbon dioxide bubbles) will break down the clog. drain unblocker homemade
An Effective Homemade Drain Unblocker: A Chemical-Safe Alternative Immediately follow with 1/2 cup of white vinegar