If a drain is truly backed up, professional plumbers typically recommend mechanical or enzymatic solutions over kitchen chemistry:

Unlike commercial chemical cleaners, which use high-pH caustic soda (lye) or sulfuric acid to chemically dissolve hair, grease, and soap scum, the baking soda and vinegar mixture lacks the chemical "teeth" to break down stubborn organic clogs. It cannot dissolve a hairball or liquefy solidified fats. When to Use It

If the drain is completely sealed (e.g., blocked P-trap), rapid CO₂ production can push dirty water back up and out of the sink – a messy, unsanitary event.

If used, the method below maximizes the limited benefits:

VOLVER ARRIBA