STEPS
TOOLS
Gather your supplies.
Sprinkle small amount Baking Soda over Drain to prevent clogging or clean out odor.  If clogged, dump at least 1/2 cup right on drain through the backed up water.
Add enough vinegar to clear out baking soda. The two make a reaction that foams and clears out any debris in it's way.
When you can no longer hear the foaming going down your Drain, rinse with Hot Water. Ta-Da!  Fresh, Clear, Odor Free Drain!
 Baking Soda
 Vinegar
 Hot Water

How to fix drain clogging and clean drain odor

Don't Call a Plumber! Try this for a Clogged Drain, to Prevent Clogged Drains, and Clean Drain Odor. Use on Drains for..Sinks, Tubs, Dishwasher, and Drains for Washing Machine, even Outside Drains!