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Hanna Hi781

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    …corals will show signs including the loss of color and paleness. The HI781 Nitrate Checker HC is a handheld colorimeter that uses the Beer-Lambert principle to determine the concentration of nitrate colorimetrically. The HI781 is designed specifically to measure low levels of nitrate in a saltwater…

    $54.95 Regular Price: $

    Reagent refill for Nitrate Low Range Colorimeter HI781 - Marine Water. Enough reagent for 25 tests. Item #: HI781-25

    $15.00 Regular Price: $

    …a BRS Refractometer to make sure your salinity is always in line. Matthews Beginner Test Kit Bundle includes: Hanna DKH Colorimeter HI772 Hanna Low Range Nitrate Colorimeter HI781 Hanna Phosphate Low Range Colorimeter HI713 Salifert Calcium Test Kit Salifert Ammonia Test Kit Salifert Nitrite Test…

    $229.50 Regular Price: $
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    Ensure the performance of your HI781 Low Range Nitrate Checker with the HI781-11 Low Range Nitrate Calibration Check Set. Each kit includes two cuvettes, one cuvette for zeroing the checker, and then another cuvette with a certified standard reference solution.This high-quality set of standards is…

    $17.00 Regular Price: $

    …bundle includes: 1x Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine - Hanna Instruments 1x Phosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine - Hanna Instruments 1x Nitrate Low Range Colorimeter HI781 - Marine Water - Hanna Instruments 1x RedSea Calcium Pro Test Kit 1x AF…

    $244.99 Regular Price: $
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