Then, the drain screamed .
The silence that followed was deafening, save for the ringing in Elias’s ears. The smell was unbearable, a toxic blend of rotten eggs (hydrogen sulfide) and the sharp tang of the acid itself. He quickly poured baking soda into the drain to neutralize the remaining active acid—a dangerous move that caused one final, frothy eruption of white foam—before turning on the cold water. sulfuric acid for drain cleaning
Arthur arrived, lugging a thick, ceramic jug with a hazard diamond the color of dried blood. The label read: Sulfuric Acid – 93% – For Industrial Use Only. Then, the drain screamed