"Last week, a plumber poured sulfuric acid (Clobber, maybe) down our kitchen sink to unclog it. A few hours later, my wife smelled fumes and said smoke came out of the cabinet underneath the sink when she opened it. The next day, we had a different plumber come by and he said that we should throw out all food, toaster, and coffee pot and not move back into our house until that is done. He also said we need to wipe down all furniture and objects in the house. ..."
Link: sulfuric acid question - Topic Powered by eve community (HGTVPro.com)
Now that is scary. Be sure to read the follow-up posts.