HI758-11 Calcium Standards for HI758 Hanna Checker - Marine Water

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HI758-11 Calcium Standards for HI758 Hanna Checker - Marine Water

100% Recommend this to a friend (3 of 3)

SKU: 208637
$17.00
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Quick Overview

Easily calibrate and test proper functionality of your Hanna Checker HI758 Calcium for marine water (saltwater).

  • Contains Standard A and Standard B

  • Follow instructions in packaging

  • Acceptable results must be between 380 and 420 ppm at 25°C
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Full Details

Hanna Checker Instructions for Nitrite ULR Standards:

  1. 1. Thoroughly wipe standard cuvette with HI731318 lint free cloth and only handle using top of cuvette. The cuvette wall must be dry and free of smudges.
  2. 2. At the C. 1 prompt, place A, HI758-11 standard cuvette into the holder of the Checker and press operations button.
  3. 3. At the C. 2 prompt, place B, HI758-11 standard cuvette into the holder of the Checker and press operations button.
  4. Acceptable results must be between 380 and 420 ppm at 25°C

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3 Items

  • A must have! By Phil on 8/8/2017

    You must have this in order to continually check the accuracy of your meter in order to eliminate any doubts about your the test on your tank water. Mine showed it was 5ppm lower than rated, so I adjust my final readings on my tank water sample.
  • Worked within its range! By Steve on 12/8/2016

    It tested as it was advertised. There is a expiration date on the vials, which I didn't expect but makes sense if the standard has to be color specific. They store in a black plastic case that fits the box they come in so they can be protected from light and not fade I guess. The alkalinity and calcium are the same besides there different colors.
  • Excellent By Donald on 9/18/2016

    Easy to use.