Hanna Instruments Low Range Chromium VI Colorimeter Checker HC-HI749 Submersible Probe Made for hydroponic

Made for hydroponic

Built-In Temperature Sensor: Integrated temperature compensation ensures accurate DO readings across varying water temperatures

uncontaminated solution every time

eco-conscious consumers wanting salt-free water softening

no preparation

Hanna Instruments Low Range Chromium VI Colorimeter Checker HC-HI749 Submersible Probe Made for hydroponicGet accurate water testing results with our simple handheld colorimeter. Our low range chromium VI colorimeter gives you more precise technology than your typical chemical test kit. Don't struggle to determine colors visually, our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct chromium VI result digitally. Our portable handheld colorimeter is easily carried in your pocket. Simple, one button operation