Caustic soda, also known as sodium hydroxide (NaOH), is a highly alkaline substance that can dissolve organic materials, such as hair, grease, and other debris that commonly clog toilets. It's widely available in hardware stores, home improvement centers, or online.
Fifteen minutes of furious plunging later, the water level hadn’t budged. The toilet was solidly, stubbornly blocked. She texted her friend: “Late. Toilet disaster.” how to use caustic soda to unblock toilet
Over time, the corrosive nature of the chemical can degrade seals, joints, and older metal pipes, leading to costly leaks. Caustic soda, also known as sodium hydroxide (NaOH),