Quickly cover the drain opening with a plug or a damp cloth. This traps the expanding foam inside, forcing the reaction deeper into the pipe rather than letting it bubble back up.
Immediately pour 1 cup of white vinegar down the drain. You’ll hear fizzing and bubbling – that’s the chemical reaction breaking down organic matter. unclog drain with baking soda
Let the mixture work. For tough clogs (e.g., hair and soap), wait 30 minutes or even overnight. You’ll hear occasional fizzing. Quickly cover the drain opening with a plug or a damp cloth
Slowly pour the boiling water directly into the drain to soften and loosen grease, soap scum, and debris. hair and soap)
Remove the cover. Boil another 2–4 cups of water (or run the hottest tap water for 1–2 minutes) and flush the drain thoroughly.