How To Unblock A Drain With Caustic Soda «SIMPLE • 2026»

A: Baking soda is mild (pH ~8). Caustic soda is extremely alkaline (pH ~14). Baking soda works with vinegar for minor clogs; caustic soda dissolves grease and hair chemically.

A: No. It can crack porcelain and won’t dissolve the waxy seal or solid objects. Use a plunger or toilet auger instead. how to unblock a drain with caustic soda

A slow-draining sink or a fully blocked drain is a common household nightmare. Before you call a plumber, a cheap and powerful solution is often found in your cleaning cupboard: caustic soda (sodium hydroxide). A: Baking soda is mild (pH ~8)