“But here’s the secret most people miss,” he added, tapping the table. “After the hour, you must flush with more boiling water. Not lukewarm. Boiling. The heat melts any remaining grease and carries away the debris.”
Sarah laughed out loud. She turned on the shower full blast, and for the first time in weeks, the water didn’t rise. It didn’t even pool.
Mr. Kostas shuffled into her kitchen and opened her pantry. He pulled out a yellow box of baking soda and a dusty bottle of white vinegar she’d been using for pickling experiments. “You don’t need a plumber,” he said. “You need chemistry. And patience.” how to unclog drains with baking soda
“Now,” he said, “the vinegar.”
He measured a full cup of white vinegar and handed it to her. “Pour it slowly. Not all at once—you want the reaction to happen deep in the pipe, not fountain out at your face.” “But here’s the secret most people miss,” he
She sighed, reaching for the familiar orange bottle of chemical drain cleaner under the sink. But as her fingers brushed the childproof cap, she paused. The last time she’d used it, the fumes had stung her eyes for hours, and her usually unfazed pothos plant had dropped three leaves in protest. There had to be another way.
He scooped half a cup of baking soda and poured it into Sarah’s cupped hands. “Feel that? Fine as dust. That’s your first weapon. It’s alkaline. It dissolves grease and softens organic gunk without melting your pipes or your lungs.” Boiling
At exactly the one-hour mark, Sarah boiled her kettle again. She removed the mat from the drain, took a breath, and poured the scalding water in a steady stream.