Hanna Instruments Checker Marine Calcium Colorimeter
- Easier to use and more accurate than chemical test kits
- Colorimetric method
- Accuracy@ ±6% of reading
- 1 ppm (mg/L) resolution
- Large, easy to read digits
- Auto shut off
- Dedicated to a single parameter
- Two part reagent: one liquid, one fast-dissolving powder
- Uses 10 mL glass cuvettes
- Small size, big convenience
- Weighing a mere 64 g (2.25 oz.), the Checker easily fits into the palm of your hand or pocket
- Use for quick and accurate on the spot analysis
- Single button operation: zero and measure
- Operated by a single AAA battery
- Ideal for Saltwater Aquariums