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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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39 Items

  1. Marine Master Bluetooth Multiparameter Photometer HI97115
    5 Reviews
    Hanna Instruments
    Marine Master Bluetooth Multiparameter Photometer HI97115
    $449.95

    $449.95
  2. Marine Monitor (pH/Salinity/Temperature)
    2 Reviews
    Hanna Instruments
    Marine Monitor (pH/Salinity/Temperature)
    $249.00

    $249.00
  3. HIREEF2 Professional Reef Test Kit
    2 Reviews
    Hanna Instruments
    HIREEF2 Professional Reef Test Kit
    $299.95

    $299.95
  4. Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine Water
    107 Reviews
    Hanna Instruments
    Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine Water
    $64.95

    $64.95
  5. Phosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine Water
    27 Reviews
    Hanna Instruments
    Phosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine Water
    $64.95

    $64.95
  6. Calcium Colorimeter HI758 Hanna Checker - Marine Water
    161 Reviews
    Hanna Instruments
    Calcium Colorimeter HI758 Hanna Checker - Marine Water
    $64.95

    $64.95
  7. HI98319 Marine Salinity Tester
    60 Reviews
    Hanna Instruments
    HI98319 Marine Salinity Tester
    $79.99

    $79.99
  8. 25-Pack HI70024P 35ppt Salinity Calibration Sachet
    5 Reviews
    Hanna Instruments
    25-Pack HI70024P 35ppt Salinity Calibration Sachet
    $27.00

    $27.00
    Add to Cart
  9. HI772-26 Alkalinity Checker Reagents - Hanna
    32 Reviews
    Hanna Instruments
    HI772-26 Alkalinity Checker Reagents - Hanna
    $15.00

    $15.00
  10. HI774-25 Phosphate ULR Reagents - Marine Water
    2 Reviews
    Hanna Instruments
    HI774-25 Phosphate ULR Reagents - Marine Water
    $15.00

    $15.00
  11. Marine Ammonia Colorimeter HI784
    3 Reviews
    Hanna Instruments
    Marine Ammonia Colorimeter HI784
    $64.95

    $64.95
  12. HI758-26 Calcium Checker Reagents - Marine Water
    20 Reviews
    Hanna Instruments
    HI758-26 Calcium Checker Reagents - Marine Water
    $28.00

    $28.00
  13. Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    2 Reviews
    Hanna Instruments
    Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    $195.00

    $195.00
  14. HI98108 Waterproof pHep+ Pocket Tester
    3 Reviews
    Hanna Instruments
    HI98108 Waterproof pHep+ Pocket Tester
    $64.95

    $64.95
  15. Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water
    40 Reviews
    Hanna Instruments
    Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water
    $64.95

    $64.95
  16. Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    172 Reviews
    Hanna Instruments
    Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    $64.95

    $64.95
  17. Copper High Range Colorimeter HI702 Hanna Checker
    9 Reviews
    Hanna Instruments
    Copper High Range Colorimeter HI702 Hanna Checker
    $64.95

    $64.95
  18. Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker - Marine Water
    9 Reviews
    Hanna Instruments
    Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker - Marine Water
    $64.95

    $64.95
  19. Nitrate High Range Colorimeter HI782 - Marine Water
    31 Reviews
    Hanna Instruments
    Nitrate High Range Colorimeter HI782 - Marine Water
    $64.95

    $64.95
  20. Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water
    259 Reviews
    Hanna Instruments
    Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water
    $64.95

    $64.95
  21. Marine Magnesium Colorimeter HI783
    14 Reviews
    Hanna Instruments
    Marine Magnesium Colorimeter HI783
    $64.95

    $64.95
  22. HI731339P Graduated Pipette
    2 Reviews
    Hanna Instruments
    HI731339P Graduated Pipette
    $27.00

    $27.00
  23. HI702-25 Copper High Range Reagents (25 Pack)
    2 Reviews
    Hanna Instruments
    HI702-25 Copper High Range Reagents (25 Pack)
    $16.00

    $16.00
  24. HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    62 Reviews
    Hanna Instruments
    HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    $15.00

    $15.00
  25. HI717-25 Phosphate HR Reagents
    Hanna Instruments
    HI717-25 Phosphate HR Reagents
    $14.00

    $14.00
  26. HI736-25 Phosphorus ULR Reagents - Marine Water
    14 Reviews
    Hanna Instruments
    HI736-25 Phosphorus ULR Reagents - Marine Water
    $15.00

    $15.00
  27. HI764-25 Nitrite ULR Reagents for HI764 Checker - Marine Water
    3 Reviews
    Hanna Instruments
    HI764-25 Nitrite ULR Reagents for HI764 Checker - Marine Water
    $16.00

    $16.00
  28. HI774-11 ULR Phosphate Standards for HI774 Hanna Checker
    1 Review
    Hanna Instruments
    HI774-11 ULR Phosphate Standards for HI774 Hanna Checker
    $16.00

    $16.00
  29. HI713-11 Phosphate Calibration Check Set for HI713 Checker
    4 Reviews
    Hanna Instruments
    HI713-11 Phosphate Calibration Check Set for HI713 Checker
    $17.00

    $17.00
  30. HI755-11 Marine Alkalinity Calibration Check Set for HI755 Checker
    7 Reviews
    Hanna Instruments
    HI755-11 Marine Alkalinity Calibration Check Set for HI755 Checker
    $16.00

    $16.00
  31. HI758-11 Marine Calcium Calibration Check Set for HI758 Checker
    4 Reviews
    Hanna Instruments
    HI758-11 Marine Calcium Calibration Check Set for HI758 Checker
    $21.00

    $21.00
  32. HI736-11 Phosphorus Calibration Check Set for HI736 Checker
    1 Review
    Hanna Instruments
    HI736-11 Phosphorus Calibration Check Set for HI736 Checker
    $16.00

    $16.00
  33. HI764-11 Nitrite Calibration Check Set for HI764 Checker
    Hanna Instruments
    HI764-11 Nitrite Calibration Check Set for HI764 Checker
    $16.00

    $16.00
  34. HI702-11 Copper Standards for HI702 Hanna Checker
    Hanna Instruments
    HI702-11 Copper Standards for HI702 Hanna Checker
    $27.00

    $27.00
  35. HI780-25 Marine pH Checker HC Reagents (100 Tests)
    Hanna Instruments
    HI780-25 Marine pH Checker HC Reagents (100 Tests)
    $20.00

    $20.00
  36. Marine pH Colorimeter HI780 Hanna Checker
    11 Reviews
    Hanna Instruments
    Marine pH Colorimeter HI780 Hanna Checker
    $64.95

    $64.95
  37. HI782-25 Nitrate HR Checker Reagents - Hanna
    5 Reviews
    Hanna Instruments
    HI782-25 Nitrate HR Checker Reagents - Hanna
    $18.00

    $18.00
  38. HI781-11 Nitrate Calibration Check Set for HI781
    Hanna Instruments
    HI781-11 Nitrate Calibration Check Set for HI781
    $21.00

    $21.00
  39. HI717-11 Phosphate HR Calibration Check Set
    1 Review
    Hanna Instruments
    HI717-11 Phosphate HR Calibration Check Set
    $17.00

    $17.00