Lena pulled on rubber gloves that went past her wrists and found an old pair of safety goggles. She opened the window wide, then took out the small white granules from the back of the cleaning cupboard. The label read sodium hydroxide in bold letters, with warnings:
A faint hiss. A chemical heat rose from the sink, along with a sulfurous, greasy smell. Lena stepped back and closed the bathroom door to keep her cat away. The mixture bubbled and churned inside the pipes for about fifteen minutes, dissolving the organic gunk into a soapy, liquid mass.
She measured carefully—about three-quarters of a cup—and poured the crystals directly into the drain. Then, instead of water, she poured exactly one liter of cold water. Not hot. Hot water would make the reaction too violent, possibly melting the pipes or splashing the corrosive liquid back at her face. unblocking drains with caustic soda
She sighed. “Not again.”
The kitchen sink had been slowing down for weeks—a combination of cooking oil, coffee grounds, and soap scum. Plunging did nothing. Vinegar and baking soda had fizzed politely, then retreated. The drain snake was useless against the thick, dark sludge she could see just past the grate. Lena pulled on rubber gloves that went past
That’s when she remembered her grandmother’s fix: caustic soda.
She grinned, poured the lamb stock without fear, and muttered a small thank-you to chemistry. A chemical heat rose from the sink, along
After the bubbling stopped, she ran cold water for two full minutes. The water swirled—hesitated—then vanished with a final gulp . Clear. Fast. Clean.