Process:
1. Boil the water on the stove.
2. When the water is about to boil, add the white vinegar and bring to a boil.
3. While the vinegar with the water boils, slowly pour the baking soda into the pipe.
4. When the mixture is done boiling, slowly pour it into the pipe behind the baking soda. It is important not to use this pipe for at least the next 2 hours, or if possible let it act overnight.
This is a personal suggestion provided by consumers, Colgate-Palmolive assumes no responsibility for this information; Our recommendation is always to follow the instructions for use of our products.