Baking Soda And Salt For Drains (EXTENDED)
The mechanism by which this mixture cleans a drain is twofold: chemical and physical. The "cleaning" action is popularly initiated by pouring baking soda down the drain, followed by vinegar (acetic acid). This combination causes a rapid acid-base reaction, producing carbon dioxide gas. The resulting effervescence creates a bubbling, expanding foam. When salt is added to this equation, it acts as a mild abrasive. As the mixture fizzes and moves through the pipes, the granular texture of the salt helps scrub the interior walls of the pipe, dislodging minor buildups of grime. Additionally, salt is naturally absorbent and antibacterial; it can help dry out sticky sludge and reduce the bacterial growth that causes foul odors.
However, if you live in a house built before 1970 and you have that are already rusted or showing their age: Do not use salt. baking soda and salt for drains
However, it is crucial to manage expectations regarding what this chemical reaction can accomplish. There is a common misconception that the baking soda and vinegar reaction generates enough pressure to blast through a stubborn hair clog or a deep grease blockage. In reality, the reaction is relatively short-lived, and the pressure generated is usually insufficient to move solid obstructions. Furthermore, once the foaming stops, the solution essentially becomes salt water. It does not possess the enzymatic power to digest hair or the corrosive strength to dissolve compacted grease plugs in the same way commercial enzymes or professional tools do. Consequently, while excellent for maintenance, this method is rarely a cure-all for a completely blocked drain. The mechanism by which this mixture cleans a