Unclog Drains With Baking Soda 【SIMPLE | 2025】

Here is the definitive guide to unclogging drains with baking soda. Baking soda (sodium bicarbonate) is a mild alkali. On its own, it’s a gentle abrasive and deodorizer. But the magic happens when you combine it with another pantry staple: white vinegar (acetic acid).

Boil a full kettle of water (careful with PVC pipes—see note below). Slowly pour the boiling water down the drain to flush away the dissolved gunk. Two Powerful Variations Depending on what is clogging your drain, try one of these tweaks: unclog drains with baking soda

Let the mixture sit for 30 to 60 minutes . For a severely slow drain, leave it overnight. Here is the definitive guide to unclogging drains

Shove 1 cup of baking soda directly down the drain. Try to get it past the strainer and into the pipe. But the magic happens when you combine it

Immediately pour 1 cup of white vinegar down the drain. You’ll hear a satisfying fizzing and bubbling sound. That’s the chemical reaction hard at work.