How Does Caustic Soda Unblock Drains -

The clog didn’t just get pushed down the pipe. It dissolved . The solid fat became liquid soap. The hair, weakened by the violent heat, crumbled into mush.

But caustic soda is a base with a pH of 14. It is a master of . The hydroxide ions from the soda attacked the fat molecules like a pair of molecular scissors. They sliced the big, stubborn grease into two smaller, water-soluble parts: glycerol (a soap-soft liquid) and fatty acid salts (which are, literally, soap). how does caustic soda unblock drains

She had learned the secret: caustic soda doesn’t brute-force its way through a clog like a snake. It wages a chemical war, turning your enemy—grease—into soap, and then washing it away. The clog didn’t just get pushed down the pipe

Desperate, she put on rubber gloves and safety goggles. “You’re not dissolving flesh today,” she whispered to the jar. “You’re dissolving fat.” The hair, weakened by the violent heat, crumbled into mush

She remembered the white granules under the sink: caustic soda, also known as sodium hydroxide. Her grandmother swore by it, but Marta had always been scared of the warning label:

A fierce chemical reaction erupted. The water instantly began to hiss and bubble like a witch’s cauldron. The porcelain sink grew hot to the touch. Marta stepped back as a wisp of steam rose from the drain.

Marta stared at the standing water in her kitchen sink. It had been an hour since she’d washed the greasy roasting pan, and the water still hadn’t drained. The faint, rotten-egg smell told her it wasn’t a simple clog—it was sludge.