The Hanna HI3840 is a low-range total hardness chemical test kit measuring 0 to 150 mg/L (as CaCO₃) using EDTA titration. It offers high resolution at 5 mg/L and includes all necessary equipment and reagents to perform 50 tests. Ideal for soft water analysis in drinking water, aquaculture, and boilers, it features pre-made reagents with expiration and lot tracking for reliability.

Compact and user-friendly, the HI3840 ensures accurate, on-site water hardness testing without specialized training. Available at Kamadi Pakistan, it provides dependable performance for consistent water quality control in lab or field environments.