Hanna Calcium Checker

This pocket colorimeter measures calcium in marine and reef tanks, reading 200 to 600 ppm on a digital display. Corals need calcium to build their skeletons, and a meter takes the guesswork out of reading a colour chart. It comes with reagents for 25 tests to get you started.

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Details

Category

Equipment & supplies

Brand

Hanna

Model

HI758

Tests for

Calcium

Range

200 to 600 ppm

Resolution

1 ppm

Accuracy

±6% of reading

Method

Adaptation of the Zincon method

Light source

LED at 610 nm

Light detector

Silicon photocell

Battery

1 x 1.5V AAA

Auto shut-off

After 10 minutes of non-use

Operating environment

0 to 50 °C, up to 95% RH non-condensing

Dimensions

81.5 x 61 x 37.5 mm

Weight

64 g

Suitable for

Saltwater and reef aquariums

What's included

2 sample cuvettes with caps, calcium reagent starter kit for 25 tests, dropper, 1 ml syringe with tip, 100 microlitre pipette with tips, plastic pipette, battery, instructions, quick start guide