Calcium

Calcium is one of the two most important water parameters for growing coral—the other being alkalinity. Without the proper amount of calcium in your reef aquarium, it can be hard for stony corals to form their hard calcium carbonate-based skeletons. We recommend keeping the calcium level in your saltwater aquarium between 380 and 450 ppm, using a calcium test kit to ensure that your dosing regimen is adding the proper amount of calcium without under or overdosing.
Loading...
Set Descending Direction

23 Items

  1. Salifert Calcium Aquarium Test Kit
    Salifert
    Salifert Calcium Aquarium Test Kit
    $18.81 $18.81

  2. Marine Lab Calcium Test Kit
    NT Labs
    Marine Lab Calcium Test Kit
    $16.50 $16.50

  3. ATI ICP-OES Pro Water Analysis
    ATI
    ATI ICP-OES Pro Water Analysis
    $44.95 $44.95

  4. RedSea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)
    Red Sea
    RedSea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)
    $74.99 $74.99

  5. RedSea Calcium Pro Test Kit
    Red Sea
    RedSea Calcium Pro Test Kit
    $41.99 $41.99

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

  7. 3-Pack ICP-OES Testing Kit
    Triton
    3-Pack ICP-OES Testing Kit
    $141.00 $141.00

    View Details
  8. 6-Pack ICP-OES Testing Kit
    Triton
    6-Pack ICP-OES Testing Kit
    $270.00 $270.00

    View Details
  9. Reef Master Test Kit
    API
    Reef Master Test Kit
    $35.98 $35.98

  10. Trident - Marine Aquarium Water Analyzer
    Neptune Systems
    Trident - Marine Aquarium Water Analyzer
    $674.99 $674.99

  11. Smart Stir - Magnetic Stirrer for Test Kits
    AutoAqua
    Smart Stir - Magnetic Stirrer for Test Kits
    $32.99 $32.99

  12. Saltwater Calcium Test Kit
    API
    Saltwater Calcium Test Kit
    $13.98 $13.98

  13. RedSea Calcium Pro Reagent Refill Kit
    Red Sea
    RedSea Calcium Pro Reagent Refill Kit
    $24.99 $24.99

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

  15. 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

  16. ATI ICP-OES Basic Water Analysis
    ATI
    ATI ICP-OES Basic Water Analysis
    $29.95 $29.95

  17. ATI ICP-MS Premium Water Analysis
    ATI
    ATI ICP-MS Premium Water Analysis
    $64.95 $64.95

  18. 5-In-1 Aquarium Test Strips (100 CT)
    API
    5-In-1 Aquarium Test Strips (100 CT)
    $24.98 $24.98