ChemSense is an innovative, portable, colorimetric water quality testing kit for instant, quantitative detection of metals (Mn, Cu, Fe) and Fluoride (F). It overcomes lab analysis limitations, providing immediate, certified accuracy compliant with global standards. A core feature is its Real-time Online Data System for prompt data transmission and systematic water quality management. ChemSense is cost-effective, non-hazardous, empowering communities to monitor and respond to contamination issues