: Pour 1/2 to 1 cup of baking soda directly down the drain.

There are few household annoyances more persistent than a slow-draining shower. Standing in a pool of soapy water that rises around your ankles is not only unpleasant—it’s a sign that a blockage is building.

Here’s a step-by-step guide to unclog a shower drain using vinegar and baking soda. This method works best for minor clogs caused by hair, soap scum, and mild buildup.

: Let the mixture sit for 15 to 30 minutes (or up to an hour for tougher jobs).

Most DIYers simply dump the two ingredients in and walk away. To actually clear a clog, you need to follow this specific sequence.

The Ultimate Guide: How to Unclog a Shower Drain with Vinegar and Baking Soda

Here is the proper way to use this chemical reaction to clear your shower drain, why it works, and when to call it quits.