Drains With Caustic Soda [updated] — Unblocking

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:

That’s when she remembered her grandmother’s fix: caustic soda. unblocking drains with caustic soda

She sighed. “Not again.”