Cover the drain opening tightly with a drain stopper or a small plate. This traps the expanding gas inside the pipe, forcing the fizzing action to push down into the clog rather than escaping up into your sink. Let it sit for at least 30 minutes. For tough clogs, leave it overnight (6-8 hours).
Boil 4-6 cups of water. Carefully pour the boiling water directly down the drain. The combination of the hot water (which melts residual grease) and the pressure of the water will flush away the loosened debris. baking soda and salt to unclog drain
For mild clogs, you can skip this step, but for best results, immediately pour 1 cup of white vinegar down the drain after the dry mixture. You will hear an immediate fizzing and bubbling sound. This is the carbon dioxide reaction at work. Cover the drain opening tightly with a drain
Mix the 1/2 cup of baking soda and 1/2 cup of salt in a bowl. Pour the dry mixture directly down the clogged drain. Try to get it as far down the pipe as possible. If you have a double sink, cover the other drain with a wet cloth to force the mixture down the clogged side. For tough clogs, leave it overnight (6-8 hours)