Hanna Checker HC Handheld Colorimeter - Alkalinity - ppm

No more inaccurate test kits! Hanna Checker HC handheld colorimeter takes a 10mL sample of water and accurately represents a digital reading of aquarium water alkalinity. Accurate to plus or minus .04 ppm. Great for quick, accurate on the spot tests and analysis. Auto-shut off maintains battery life. Single-button operation - simply choose zero or measure. Operates with one AAA battery. Includes carrying case and two sample bottles.

The HI 755 Checker HC is extremely simple to use. After zeroing the instrument with your water sample, add the reagent to the cuvette and gently invert 5 times. Then insert the cuvette into the HI 755 Checker HC and press the button to read the results. It’s that easy.