Marine Water Hanna Checkers

Hanna Instruments saltwater testing colorimeters are easy to use and easy to read with a clear digital display. They have a wide range of checkers that can test your saltwater aquarium for alkalinity, calcium, phosphate, phosphorus, ammonia, and much more!
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32 Items

  1. 25-Pack HI70024P 35ppt Salinity Calibration Sachet
    Hanna Instruments
    25-Pack HI70024P 35ppt Salinity Calibration Sachet
    $27.00 $27.00

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  2. HI772-26 Alkalinity Checker Reagents - Hanna
    Hanna Instruments
    HI772-26 Alkalinity Checker Reagents - Hanna
    $17.99 $17.99

  3. HI774-25 Phosphate ULR Reagents - Marine Water
    Hanna Instruments
    HI774-25 Phosphate ULR Reagents - Marine Water
    $17.99 $17.99

  4. Marine Ammonia Colorimeter HI784
    Hanna Instruments
    Marine Ammonia Colorimeter HI784
    $67.99 $67.99

  5. HI758-26 Calcium Checker Reagents - Marine Water
    Hanna Instruments
    HI758-26 Calcium Checker Reagents - Marine Water
    $29.99 $29.99

  6. Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    Hanna Instruments
    Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    $209.99 $209.99

  7. HI98108 Waterproof pHep+ Pocket Tester
    Hanna Instruments
    HI98108 Waterproof pHep+ Pocket Tester
    $69.99 $69.99

  8. Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water
    Hanna Instruments
    Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water
    $67.99 $67.99

  9. Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    Hanna Instruments
    Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    $67.99 $67.99

  10. Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker - Marine Water
    Hanna Instruments
    Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker - Marine Water
    $67.99 $67.99

  11. Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water
    Hanna Instruments
    Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water
    $67.99 $67.99

  12. Marine Magnesium Colorimeter HI783
    Hanna Instruments
    Marine Magnesium Colorimeter HI783
    $67.99 $67.99

  13. HI702-25 Copper High Range Reagents (25 Pack)
    Hanna Instruments
    HI702-25 Copper High Range Reagents (25 Pack)
    $17.99 $17.99

  14. HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    Hanna Instruments
    HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    $17.99 $17.99

  15. HI736-25 Phosphorus ULR Reagents - Marine Water
    Hanna Instruments
    HI736-25 Phosphorus ULR Reagents - Marine Water
    $17.99 $17.99

  16. HI764-25 Nitrite ULR Reagents for HI764 Checker - Marine Water
    Hanna Instruments
    HI764-25 Nitrite ULR Reagents for HI764 Checker - Marine Water
    $17.99 $17.99

  17. HI774-11 ULR Phosphate Standards for HI774 Hanna Checker
    Hanna Instruments
    HI774-11 ULR Phosphate Standards for HI774 Hanna Checker
    $18.99 $18.99

  18. HI755-11 Marine Alkalinity Calibration Check Set for HI755 Checker
    Hanna Instruments
    HI755-11 Marine Alkalinity Calibration Check Set for HI755 Checker
    $18.99 $18.99

  19. HI758-11 Marine Calcium Calibration Check Set for HI758 Checker
    Hanna Instruments
    HI758-11 Marine Calcium Calibration Check Set for HI758 Checker
    $24.99 $24.99

  20. HI780-25 Marine pH Checker HC Reagents (100 Tests)
    Hanna Instruments
    HI780-25 Marine pH Checker HC Reagents (100 Tests)
    $24.99 $24.99

  21. Marine pH Colorimeter HI780 Hanna Checker
    Hanna Instruments
    Marine pH Colorimeter HI780 Hanna Checker
    $67.99 $67.99

  22. HI782-25 Nitrate HR Checker Reagents - Hanna
    Hanna Instruments
    HI782-25 Nitrate HR Checker Reagents - Hanna
    $24.99 $24.99