DIGITAL TEST KITS (58)
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  • Reagents for LR Phosphate (100 tests)
    $44.99
    No reviews

    The HI93713-01 are reagents for the colorimetric determination of phosphate. There are enough reagents for 100 tests to be used...

  • Hanna Cuvet cleaning solution (250 mL0)
    $34.99
    No reviews

    Cuvet cleaning solution (230 mL)

  • Hanna Checker Nitrite 764-25 ULR reagents (25)
    $17.99

    OUT OF STOCK

    No reviews

    The HI764-25 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their...

  • Hanna Checker Nitrite Ultra Low Range
    $67.99
    No reviews

    Stop struggling to get accurate results for your saltwater aquarium with our simple handheld colorimeter. Our nitrite colorimeter fills the...

  • Hanna Pocket Photometer Marine Alkalinity (PPM)
    $67.99
    No reviews

    The only salt water Alkalinity Tester at this price! Easier to use and more accurate than chemical test kits Colorimetric...

  • Hanna Pocket Photometer Phosphate Checker HI713
    $67.99
    No reviews

    Easier to use and more accurate than chemical test kits Adaptation of Standard Method 4500-P E Accuracy 4% 0.04 ppm...