Controllers & Water Testing Deals

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184 Items

  1. Single HI70024P 35ppt Salinity Calibration Sachet
    Hanna Instruments
    Single HI70024P 35ppt Salinity Calibration Sachet
    $1.36 $1.60

  2. HI772-26 Alkalinity Checker Reagents - Hanna
    Hanna Instruments
    HI772-26 Alkalinity Checker Reagents - Hanna
    $16.14 $18.99

  3. HI774-25 Phosphate ULR Reagents - Marine Water
    Hanna Instruments
    HI774-25 Phosphate ULR Reagents - Marine Water
    $16.14 $18.99

  4. HI782-25 Nitrate HR Checker Reagents - Hanna
    Hanna Instruments
    HI782-25 Nitrate HR Checker Reagents - Hanna
    $22.94 $26.99

  5. Refractometer Calibration Solution
    Bulk Reef Supply
    Refractometer Calibration Solution
    $5.84 $7.79

  6. 1-Pack ICP-OES Testing Kit
    Triton
    1-Pack ICP-OES Testing Kit
    $41.65 $49.00

  7. HI758-26 Calcium Checker Reagents - Marine Water
    Hanna Instruments
    HI758-26 Calcium Checker Reagents - Marine Water
    $29.74 $34.99

  8. Salifert Calcium Aquarium Test Kit
    Salifert
    Salifert Calcium Aquarium Test Kit
    $17.43 $21.79

  9. HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    Hanna Instruments
    HI713-25 Phosphate Checker Reagents - Marine & Fresh Water
    $16.14 $18.99

  10. Salifert kH/Alkalinity Aquarium Test Kit
    Salifert
    Salifert kH/Alkalinity Aquarium Test Kit
    $15.03 $18.79

  11. Salifert Magnesium Aquarium Test Kit
    Salifert
    Salifert Magnesium Aquarium Test Kit
    $17.59 $21.99

  12. Phosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine Water
    Hanna Instruments
    Phosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine Water
    $63.74 $74.99

  13. Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine Water
    Hanna Instruments
    Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine Water
    $63.74 $74.99

  14. HI736-25 Phosphorus ULR Reagents - Marine Water
    Hanna Instruments
    HI736-25 Phosphorus ULR Reagents - Marine Water
    $16.14 $18.99

  15. HI783-25 Marine Magnesium Reagents (25 Pack)
    Hanna Instruments
    HI783-25 Marine Magnesium Reagents (25 Pack)
    $22.09 $25.99

  16. Nitrate High Range Colorimeter HI782 - Marine Water
    Hanna Instruments
    Nitrate High Range Colorimeter HI782 - Marine Water
    $63.74 $74.99

  17. Refractometer for Reading Salinity with Calibration Fluid
    Bulk Reef Supply
    Refractometer for Reading Salinity with Calibration Fluid
    $26.09 $34.79

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  18. High Precision Hydrometer
    Tropic Marin
    High Precision Hydrometer
    $35.69 $41.99

  19. AF Magnesium Test Kit
    Aquaforest
    AF Magnesium Test Kit
    $16.57 $19.49

  20. HI98319 Marine Salinity Tester
    Hanna Instruments
    HI98319 Marine Salinity Tester
    $84.99 $99.99

  21. Salifert Nitrate Aquarium Test Kit
    Salifert
    Salifert Nitrate Aquarium Test Kit
    $15.83 $19.79

  22. RedSea Calcium Pro Test Kit
    Red Sea
    RedSea Calcium Pro Test Kit
    $39.59 $44.99

  23. HI702-25 Copper High Range Reagents (25 Pack)
    Hanna Instruments
    HI702-25 Copper High Range Reagents (25 Pack)
    $16.14 $18.99

  24. Cuvettes & Caps (2-Pack) - Hanna
    Hanna Instruments
    Cuvettes & Caps (2-Pack) - Hanna
    $13.59 $15.99

  25. Marine Magnesium Colorimeter HI783
    Hanna Instruments
    Marine Magnesium Colorimeter HI783
    $63.74 $74.99

  26. MQ-510 Full Spectrum Underwater LED PAR Meter
    Apogee
    MQ-510 Full Spectrum Underwater LED PAR Meter
    $489.40 $575.77

  27. HI784-25 Marine Ammonia Reagents (25 Pack)
    Hanna Instruments
    HI784-25 Marine Ammonia Reagents (25 Pack)
    $24.64 $28.99

  28. Calcium Colorimeter HI758 Hanna Checker - Marine Water
    Hanna Instruments
    Calcium Colorimeter HI758 Hanna Checker - Marine Water
    $63.74 $74.99

  29. RedSea Marine Care Test Kit
    Red Sea
    RedSea Marine Care Test Kit
    $70.39 $79.99

  30. Marine Master Bluetooth Multiparameter Photometer HI97115
    Hanna Instruments
    Marine Master Bluetooth Multiparameter Photometer HI97115
    $424.99 $499.99

  31. MA887 Digital Seawater Refractometer - Milwaukee
    Milwaukee Instruments
    MA887 Digital Seawater Refractometer - Milwaukee
    $131.75 $155.00

  32. LED Refractometer for Reading Salinity with Calibration Fluid
    Bulk Reef Supply
    LED Refractometer for Reading Salinity with Calibration Fluid
    $29.24 $38.99

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  33. Salifert Phosphate Aquarium Test Kit
    Salifert
    Salifert Phosphate Aquarium Test Kit
    $17.59 $21.99

  34. Marine Coral Care Test Kit
    Hanna Instruments
    Marine Coral Care Test Kit
    $165.74 $194.99

  35. Smart Stir - Magnetic Stirrer for Test Kits
    AutoAqua
    Smart Stir - Magnetic Stirrer for Test Kits
    $33.59 $41.99

  36. HI764-25 Nitrite ULR Reagents for HI764 Checker - Marine Water
    Hanna Instruments
    HI764-25 Nitrite ULR Reagents for HI764 Checker - Marine Water
    $16.14 $18.99

  37. BRS Master Test Kit Bundle
    Bulk Reef Supply
    BRS Master Test Kit Bundle
    $149.99 $199.99

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  38. Multi Tube Holder
    Tunze
    Multi Tube Holder
    $12.74 $14.99

  39. Marine Algae & Nutrient Management Test Kit
    Hanna Instruments
    Marine Algae & Nutrient Management Test Kit
    $144.49 $169.99

  40. RedSea Calcium Pro Reagent Refill Kit
    Red Sea
    RedSea Calcium Pro Reagent Refill Kit
    $25.51 $28.99