Hanna Checker Colorimeters

Hanna Checkers are some of our favorite test kits for testing our reef tanks. These small and innovative little egg-shaped devices make our aquarium-keeping lives so much easier with simple testing procedures and most importantly – an all-digital readout! Perfect for every aquarist, but especially those that struggle determining the color scale on standard test kits.
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61 Items

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

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

    $249.00
  3. Calcium Colorimeter HI758 Hanna Checker - Marine Water
    Hanna Instruments
    Calcium Colorimeter HI758 Hanna Checker - Marine Water
    $64.95

    $64.95
  4. Marine Magnesium Colorimeter HI783
    Hanna Instruments
    Marine Magnesium Colorimeter HI783
    $65.00

    $65.00
  5. Marine Ammonia Colorimeter HI784
    Hanna Instruments
    Marine Ammonia Colorimeter HI784
    $65.00

    $65.00
  6. Marine pH Colorimeter HI780 Hanna Checker
    Hanna Instruments
    Marine pH Colorimeter HI780 Hanna Checker
    $64.95

    $64.95
  7. HI772-26 Alkalinity Checker Reagents - Hanna
    Hanna Instruments
    HI772-26 Alkalinity Checker Reagents - Hanna
    $15.00

    $15.00
  8. HI758-26 Calcium Checker Reagents - Marine Water
    Hanna Instruments
    HI758-26 Calcium Checker Reagents - Marine Water
    $28.00

    $28.00
  9. HI774-25 Phosphate ULR Reagents - Marine Water
    Hanna Instruments
    HI774-25 Phosphate ULR Reagents - Marine Water
    $15.00

    $15.00
  10. HI784-25 Marine Ammonia Reagents (25 Pack)
    Hanna Instruments
    HI784-25 Marine Ammonia Reagents (25 Pack)
    $21.00

    $21.00
  11. HI702-25 Copper High Range Reagents (25 Pack)
    Hanna Instruments
    HI702-25 Copper High Range Reagents (25 Pack)
    $16.00

    $16.00
  12. 25-Pack HI70024P 35ppt Salinity Calibration Sachet
    Hanna Instruments
    25-Pack HI70024P 35ppt Salinity Calibration Sachet
    $27.00

    $27.00
    Add to Cart
  13. Thomas' Favorite Test Kits Bundle
    Bulk Reef Supply
    Thomas' Favorite Test Kits Bundle
    $244.99

    $244.99
    Add to Cart
  14. HALO2 Wireless pH Tester for Field
    Hanna Instruments
    HALO2 Wireless pH Tester for Field
    $145.00

    $145.00
  15. HI783-11 Marine Magnesium Calibration Check Set for HI783
    Hanna Instruments
    HI783-11 Marine Magnesium Calibration Check Set for HI783
    $24.00

    $24.00
  16. HI784-11 Marine Ammonia Calibration Check Set for HI784
    Hanna Instruments
    HI784-11 Marine Ammonia Calibration Check Set for HI784
    $24.00

    $24.00
  17. Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water
    Hanna Instruments
    Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water
    $64.95

    $64.95
  18. HI736-25 Phosphorus ULR Reagents - Marine Water
    Hanna Instruments
    HI736-25 Phosphorus ULR Reagents - Marine Water
    $15.00

    $15.00
  19. HI731339P Graduated Pipette
    Hanna Instruments
    HI731339P Graduated Pipette
    $27.00

    $27.00
  20. Cuvettes & Caps (2-Pack) - Hanna
    Hanna Instruments
    Cuvettes & Caps (2-Pack) - Hanna
    $14.00

    $14.00
  21. HI755-11 Marine Alkalinity Calibration Check Set for HI755 Checker
    Hanna Instruments
    HI755-11 Marine Alkalinity Calibration Check Set for HI755 Checker
    $16.00

    $16.00
  22. HI736-11 Phosphorus Calibration Check Set for HI736 Checker
    Hanna Instruments
    HI736-11 Phosphorus Calibration Check Set for HI736 Checker
    $16.00

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

    $21.00
  24. Cuvette Cleaning Solution HI93703-50 230 mL
    Hanna Instruments
    Cuvette Cleaning Solution HI93703-50 230 mL
    $33.00

    $33.00
  25. Hanna General Purpose Cleaning Solution HI7061L 500 mL
    Hanna Instruments
    Hanna General Purpose Cleaning Solution HI7061L 500 mL
    $18.00

    $18.00
  26. Hanna Electrode Storage Solution HI70300M 230 mL
    Hanna Instruments
    Hanna Electrode Storage Solution HI70300M 230 mL
    $16.00

    $16.00
  27. HI98108 Waterproof pHep+ Pocket Tester
    Hanna Instruments
    HI98108 Waterproof pHep+ Pocket Tester
    $64.95

    $64.95
  28. Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    Hanna Instruments
    Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    $195.00

    $195.00
  29. Alkalinity Colorimeter HI775 Hanna Checker - Fresh Water
    Hanna Instruments
    Alkalinity Colorimeter HI775 Hanna Checker - Fresh Water
    $64.95

    $64.95
  30. Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    Hanna Instruments
    Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    $64.95

    $64.95
  31. Ammonia Low Range Colorimeter HI700 Hanna Checker - Fresh Water
    Hanna Instruments
    Ammonia Low Range Colorimeter HI700 Hanna Checker - Fresh Water
    $75.00

    $75.00