: Pour approximately 1 cup of baking soda directly down the drain.
Pour about 1/2 cup to 1 cup of baking soda directly down the drain.
If the sink still won’t drain, call a plumber. Do not use chemical drain cleaners if you plan to remove the P-trap — they can burn your skin.
This is often the most effective natural method for dissolving grease and soap scum.
: Follow with 1 cup of white vinegar. The mixture will fizz—this is the reaction working to break down the clog.