She poured a cup of the tiny white beads directly into the drain. They looked harmless, like coarse salt. Then, very carefully, she measured a cup of cold water. Not hot, she reminded herself. Never hot.
But caustic soda is a base with a pH of 14. It is a master of . The hydroxide ions from the soda attacked the fat molecules like a pair of molecular scissors. They sliced the big, stubborn grease into two smaller, water-soluble parts: glycerol (a soap-soft liquid) and fatty acid salts (which are, literally, soap). how does caustic soda unblock drains
Inside the dark pipe, a brutal transformation was taking place. She poured a cup of the tiny white
After fifteen minutes, the hissing stopped. Marta filled the sink with hot tap water, pulled the plug, and watched the water spiral down with a clean, hungry gulp. Not hot, she reminded herself
A fierce chemical reaction erupted. The water instantly began to hiss and bubble like a witch’s cauldron. The porcelain sink grew hot to the touch. Marta stepped back as a wisp of steam rose from the drain.