Review on 🚰 Hope's Perfect Sink Cleaner and Polish: Restorative, Water-Repellant Stain Remover for Various Surfaces - Ideal for Stainless Steel, Cast Iron, Porcelain, Corian, Composite, Acrylic - 8.5 oz 3 Pack by Amy Smith

Some contractors have used hydrochloric acid to clean grout that has faded after application in a new home. Hydrochloric acid fumes discolor stainless steel, bronze, etc. . The sink looked like it needed replacing and all of our oiled bronze doorknobs were tarnished. This happened even with the doors and windows open for ventilation. After a brief panic, I went online and found a video of a guy using Perfect Sink for exactly this reason. I followed his instructions and the sink was saved although it needs some work and there is a small hole in the sink but the dark stains are gone. Simply wiping down the doorknobs with a perfect sink effortlessly solved the cloudiness problem. Great product that I highly recommend!