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Hanna Instruments

BRSTV

Reliable, ACCURATE Aquarium Test Kits With Hanna Instruments!

Stop relying on your eyes to read your reef tank's test results! Boasting some of the absolute BEST options out there for testing reef aquarium water chemistry, Hanna Instruments changed the way we monitor our reef aquariums.

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68 Items

  1. HALO2 Wireless pH Tester for Field
    Hanna Instruments
    HALO2 Wireless pH Tester for Field
    $114.75

    Earn 114 Reward Points

    $135.00
  2. HIREEF2 Professional Reef Test Kit
    2 Reviews
    Hanna Instruments
    HIREEF2 Professional Reef Test Kit
    $248.20

    Earn 248 Reward Points

    $292.00
  3. Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine Water
    106 Reviews
    Hanna Instruments
    Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine Water
    $54.36

    Earn 54 Reward Points

    $63.95
  4. Phosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine Water
    26 Reviews
    Hanna Instruments
    Phosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine Water
    $54.36

    Earn 54 Reward Points

    $63.95
  5. Calcium Colorimeter HI758 Hanna Checker - Marine Water
    159 Reviews
    Hanna Instruments
    Calcium Colorimeter HI758 Hanna Checker - Marine Water
    $54.36

    Earn 54 Reward Points

    $63.95
  6. Copper High Range Colorimeter HI702 Hanna Checker
    9 Reviews
    Hanna Instruments
    Copper High Range Colorimeter HI702 Hanna Checker
    $54.36

    Earn 54 Reward Points

    $63.95
  7. Nitrate High Range Colorimeter HI782 - Marine Water
    30 Reviews
    Hanna Instruments
    Nitrate High Range Colorimeter HI782 - Marine Water
    $54.36

    Earn 54 Reward Points

    $63.95
  8. HI98509 Checktemp 1 Digital Thermometer
    10 Reviews
    Hanna Instruments
    HI98509 Checktemp 1 Digital Thermometer
    $40.80

    Earn 40 Reward Points

    $48.00
  9. HI98319 Marine Salinity Tester
    59 Reviews
    Hanna Instruments
    HI98319 Marine Salinity Tester
    $67.99

    Earn 67 Reward Points

    $79.99
  10. HI772-26 Alkalinity Checker Reagents - Hanna
    31 Reviews
    Hanna Instruments
    HI772-26 Alkalinity Checker Reagents - Hanna
    $11.05

    Earn 11 Reward Points

    $13.00
  11. HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    62 Reviews
    Hanna Instruments
    HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    $11.05

    Earn 55 Reward Points Earn 110 Reward Points

    $13.00
  12. HI782-25 Nitrate HR Checker Reagents - Hanna
    3 Reviews
    Hanna Instruments
    HI782-25 Nitrate HR Checker Reagents - Hanna
    $13.60

    Earn 13 Reward Points

    $16.00
  13. HI702-25 Copper High Range Reagents (25 Pack)
    2 Reviews
    Hanna Instruments
    HI702-25 Copper High Range Reagents (25 Pack)
    $11.05

    Earn 11 Reward Points

    $13.00
  14. HI783-11 Marine Magnesium Calibration Check Set for HI783
    Hanna Instruments
    HI783-11 Marine Magnesium Calibration Check Set for HI783
    $18.70

    Earn 18 Reward Points

    $22.00
  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
    $54.36

    Earn 54 Reward Points

    $63.95
  16. Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water
    259 Reviews
    Hanna Instruments
    Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water
    $54.36

    Earn 54 Reward Points

    $63.95
  17. HI784-11 Marine Ammonia Calibration Check Set for HI784
    Hanna Instruments
    HI784-11 Marine Ammonia Calibration Check Set for HI784
    $18.70

    Earn 18 Reward Points

    $22.00
  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
    $54.36

    Earn 54 Reward Points

    $63.95
  19. Nitrite Low Range Colorimeter HI707 Hanna Checker - Fresh Water
    1 Review
    Hanna Instruments
    Nitrite Low Range Colorimeter HI707 Hanna Checker - Fresh Water
    $60.31

    Earn 60 Reward Points

    $70.95
  20. Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    172 Reviews
    Hanna Instruments
    Alkalinity PPM Colorimeter HI755 Hanna Checker - Marine Water
    $54.36

    Earn 54 Reward Points

    $63.95
  21. Marine pH Colorimeter HI780 Hanna Checker
    11 Reviews
    Hanna Instruments
    Marine pH Colorimeter HI780 Hanna Checker
    $54.36

    Earn 54 Reward Points

    $63.95
  22. HI731318 Cuvette Cleaning Cloths
    1 Review
    Hanna Instruments
    HI731318 Cuvette Cleaning Cloths
    $14.45

    Earn 70 Reward Points Earn 140 Reward Points

    $17.00
  23. HI736-25 Phosphorus ULR Reagents - Marine Water
    13 Reviews
    Hanna Instruments
    HI736-25 Phosphorus ULR Reagents - Marine Water
    $11.05

    Earn 55 Reward Points Earn 110 Reward Points

    $13.00
  24. HI774-25 Phosphate ULR Reagents - Marine Water
    2 Reviews
    Hanna Instruments
    HI774-25 Phosphate ULR Reagents - Marine Water
    $11.05

    Earn 55 Reward Points Earn 110 Reward Points

    $13.00
  25. HI784-25 Marine Ammonia Reagents (25 Pack)
    Hanna Instruments
    HI784-25 Marine Ammonia Reagents (25 Pack)
    $17.00

    Earn 17 Reward Points

    $20.00
  26. HI780-25 Marine pH Checker HC Reagents (100 Tests)
    Hanna Instruments
    HI780-25 Marine pH Checker HC Reagents (100 Tests)
    $13.60

    Earn 13 Reward Points

    $16.00
  27. Deionized Water
    Hanna Instruments
    Deionized Water

    Starting at: $11.90

    Earn 11 Reward Points

    Choose Options Notify Me When In-Stock
  28. Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    2 Reviews
    Hanna Instruments
    Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna
    $158.10

    Earn 158 Reward Points

    $186.00
  29. Alkalinity Colorimeter HI775 Hanna Checker - Fresh Water
    1 Review
    Hanna Instruments
    Alkalinity Colorimeter HI775 Hanna Checker - Fresh Water
    $54.36

    Earn 54 Reward Points

    $63.95
  30. Ammonia Low Range Colorimeter HI700 Hanna Checker - Fresh Water
    3 Reviews
    Hanna Instruments
    Ammonia Low Range Colorimeter HI700 Hanna Checker - Fresh Water
    $60.31

    Earn 60 Reward Points

    $70.95
  31. Total Chlorine Ultra Low Range Colorimeter HI761 Hanna Checker - Fresh Water
    3 Reviews
    Hanna Instruments
    Total Chlorine Ultra Low Range Colorimeter HI761 Hanna Checker - Fresh Water
    $60.31

    Earn 60 Reward Points

    $70.95
  32. Total Chlorine Colorimeter HI711 Hanna Checker - Fresh Water
    1 Review
    Hanna Instruments
    Total Chlorine Colorimeter HI711 Hanna Checker - Fresh Water
    $54.36

    Earn 54 Reward Points

    $63.95
  33. 25-Pack HI70024P 35ppt Salinity Calibration Sachet
    5 Reviews
    Hanna Instruments
    25-Pack HI70024P 35ppt Salinity Calibration Sachet
    $22.95

    Earn 22 Reward Points

    $27.00
    Add to Cart
  34. Single HI70024P 35ppt Salinity Calibration Sachet
    5 Reviews
    Hanna Instruments
    Single HI70024P 35ppt Salinity Calibration Sachet
    $0.99 $1.16
  35. HI780-11 Marine pH Calibration Check Set
    Hanna Instruments
    HI780-11 Marine pH Calibration Check Set
    $15.30

    Earn 75 Reward Points Earn 150 Reward Points

    $18.00
  36. Marine Monitor (pH/Salinity/Temperature)
    1 Review
    Hanna Instruments
    Marine Monitor (pH/Salinity/Temperature)
    $211.65

    Earn 211 Reward Points

    $249.00
  37. Marine Ammonia Colorimeter HI784
    2 Reviews
    Hanna Instruments
    Marine Ammonia Colorimeter HI784
    $54.36

    Earn 54 Reward Points

    $63.95
  38. HI783-25 Marine Magnesium Reagents (25 Pack)
    Hanna Instruments
    HI783-25 Marine Magnesium Reagents (25 Pack)
    $14.45

    Earn 14 Reward Points

    $17.00
  39. Marine Magnesium Colorimeter HI783
    11 Reviews
    Hanna Instruments
    Marine Magnesium Colorimeter HI783
    $54.36

    Earn 54 Reward Points

    $63.95
  40. HI781-11 Nitrate Calibration Check Set for HI781
    Hanna Instruments
    HI781-11 Nitrate Calibration Check Set for HI781
    $17.00

    Earn 17 Reward Points

    $20.00

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