Magnesium

Magnesium is the third most important major element in a reef aquarium—behind only calcium and alkalinity. While magnesium doesn’t change as rapidly as some other water parameters, it’s still a good idea to test for it occasionally to get the most out of your coral. In a saltwater aquarium, we recommend aiming for a magnesium level between 1200 - 1400 ppm.
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18 Items

  1. 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
  2. RedSea Magnesium Pro Test Kit
    Red Sea
    RedSea Magnesium Pro Test Kit
    $41.99

    $41.99
  3. ATI ICP-OES Water Analysis
    ATI
    ATI ICP-OES Water Analysis
    $44.95

    $44.95
  4. RedSea Magnesium Pro Reagent Refill Kit
    Red Sea
    RedSea Magnesium Pro Reagent Refill Kit
    $24.99

    $24.99
  5. Test Pro Pack (Ca, KH, Mg)
    Aquaforest
    Test Pro Pack (Ca, KH, Mg)
    $49.99

    $49.99
  6. Trident - Marine Aquarium Water Analyzer
    Neptune Systems
    Trident - Marine Aquarium Water Analyzer
    $674.99

    $674.99