This article breaks down the differences between limescale and soap scum, two common kitchen sink grimes, and shares science-backed cleaning methods using acid-base neutralization to remove them safely without damaging your sink. It also covers key care tips to prevent grime buildup and extend your sink’s service life. This article breaks down the differences between limescale and soap scum, two common kitchen sink grimes, and shares science-backed cleaning methods using acid-base neutralization to remove them safely without damaging your sink. It also covers key care tips to prevent grime buildup and extend your sink’s service life. This article breaks down the differences between limescale and soap scum, two common kitchen sink grimes, and shares science-backed cleaning methods using acid-base neutralization