To revolutionize household water quality monitoring by providing a convenient, real-time solution that empowers users with accurate, comprehensive insights into their water's safety. By integrating advanced sensor technology into a user-friendly device installed in household sink piping, and connecting seamlessly to an intuitive app, we aim to address the limitations of traditional water testing methods. Our goal is to enhance health and peace of mind by delivering timely, calcium water quality information, ensuring every household has the information to achieve access to safe and clean water.