The reaction continued all night. Sodium hydroxide doesn’t stop at grease. It attacks cellulose, turning wood into a brown, brittle mush. It reacts with aluminum, which the old wiring in the basement had in abundance. It seeps into concrete, causing it to spall and crack.
She told him. Caustic soda. Half a bottle. caustic soda down drain
The caustic soda was working. It was dissolving the clog—a monstrous tangle of bacon grease, potato peels, and a clump of her own long, gray hair. But the reaction was more violent than she’d anticipated. The pipe, old cast iron already pitted with rust, was not just being cleared. It was being eaten. The reaction continued all night
The insurance adjuster came three days later. He used words like “excluded chemical reaction” and “negligence.” The environmental cleanup crew wore white suits and respirators. They neutralized the remaining lye with a weak acid, then cut out two tons of contaminated wood, concrete, and cast iron. The house never quite smelled right again. It always carried a faint, acrid undertone, like burnt hair and old bones. It reacts with aluminum, which the old wiring
A fine, invisible mist filled the crawlspace beneath the kitchen, settling on the wooden joists, the fiberglass insulation, the cardboard boxes of Christmas ornaments. Clara, upstairs, heard only a faint hiss, which she mistook for the sound of success. She rinsed the sink with water, as instructed, and went to bed.