Wait 15–30 minutes . During this time, the chemical reaction (carbon dioxide bubbles) will break down the clog.
Pour 2 quarts (about 2 liters) of boiling water down the drain to flush away the dissolved material. drain unblocker homemade
Remove standing water from the sink or tub as much as possible. (Use a cup or bucket to bail it out if necessary.) Wait 15–30 minutes