Next came the baking soda. She poured half the box—about a full cup—directly into the dark mouth of the drain. It settled like fresh snow on a dirty street. Then, she reached for the vinegar.
“Trust me,” she said.
For a moment, nothing happened. Then, a deep, satisfied gurgle echoed from the pipes—not the troubled groan of before, but a clean, smooth sound. The water drained instantly, without a single bubble of protest. clean a drain with baking soda