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Hanna Instruments Marine Calcium Checker HI-758

Hanna Instruments Marine Calcium Checker HI-758


SKU: HI-758
by Hanna
$69.95 CAD
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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®HC 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


Availability: Translation missing: en.general.icons.icon_check_circle icon 9 in stock, ready to be shipped

Customer Reviews

Based on 3 reviews
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Tim Fitzpatrickk
Hanna Instruments Marine Calcium Checker HI 758

The hanna checkers are excellent for giving you definitive final answer of measurement.... They are not 100% ACCURATE but NEITHER ARE REGULAR TEST KITS. They are likely more accurate then traditional test kits and if done properly the more likely the answer is very accurate indeed. Love them! I use ALK, nitrate, Phosphorous and just received and have used the Calcium love them all!

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Jack Bell
Hanna Instruments Marine Calcium Checker HI 758

It works but results will vary a great deal if your methodology is not precise. You must use distilled water for consistant results. RO will vary your results. The auto pipette is great but if there is an extra drop of sample on the exterior of the pipette the result will be a high reading. Also the cost per test is about $1.50 so it adds up quickly if you are not very careful.

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Brad Blain
Hanna Instruments Marine Calcium Checker HI 758

Awesome product, easy to use and reefsupplies was great no problems, thank you