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Magnesium (MG)

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  • On Sale 15%
    (NEW) Magnesium (MG) Test Kit - Salifert
    On Sale 15%

    (NEW) Magnesium (MG) Test Kit - Salifert

    Salifert

    $19.61
    $16.67
    This is the new Liquid Only test.  There are now two liquids, no powder. Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without...
  • (HI783-25) Marine Magnesium Reagents - 25 Tests - Hanna Instruments

    (HI783-25) Marine Magnesium Reagents - 25 Tests - Hanna Instruments

    Hanna Instruments

    $24.99
    This is the new reagents set with 1x Powder, 1x Liquid. These Reagents are for use with the HI783 Marine Magnesium Checker. These high-quality reagents are manufactured at the Hanna state-of-the-art facility and are clearly marked with...
  • On Sale 15%
    Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert
    On Sale 15%

    Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert

    Salifert

    $45.99
    $39.09
    Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosynthesis plants, including algae and the corals, which we usually have in...
  • Magnesium Pro Test Refill - Red Sea

    Magnesium Pro Test Refill - Red Sea

    Red Sea

    $24.99
    Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm. The Magnesium Pro Test test kit enables the accurate dosing of Red Sea’s...
  • On Sale 15%
    Salifert Master Reef Testing Combo Kit - Salifert
    On Sale 15%

    Salifert Master Reef Testing Combo Kit - Salifert

    Salifert

    $99.99
    $84.99
    Six Salifert Professional Test Kits Includes Calcium, Nitrate, Phosphate, pH, Alkalinity & Magnesium Includes all the Core parameters of any Saltwater Aquarium/Marine Reef Tank Salifert Nitrate Test Kit - 50 Tests, Salifert Calcium Test...
  • On Sale 15%
    Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com
    On Sale 15%

    Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com

    SaltwaterAquarium

    $24.99
    $21.24
    Spot Check - Get marine water testing for the 8 core elements of a saltwater fish tank from the comfort of home.  Use this mail in water test to spot check your marine aquarium and/or verify what your seeing on your home test kits. It is time to...
  • Hanna Master Reef Beginner Kit (772 Alk, 758 Calcium, 783 Magnesium, 782 HR Nitrate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Master Reef Beginner Kit (772 Alk, 758 Calcium, 783 Magnesium, 782 HR Nitrate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Instruments

    $339.95
    772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides...
  • Magnesium Marine Test Kit - Red Sea

    Magnesium Marine Test Kit - Red Sea

    Red Sea

    $28.99
    Red Sea's user-friendly Magnesium filtration test provides a quick and reliable measurement of Magnesium in your aquarium to an accuracy of either 50ppm or 100ppm according to your needs.
  • Magnesium Pro - High Accuracy Titration Test Kit (100 tests) - Red Sea

    Magnesium Pro - High Accuracy Titration Test Kit (100 tests) - Red Sea

    Red Sea

    $41.99
    Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm.The Magnesium Pro Test test kit enables the accurate dosing of Red Sea’s Reef...
  • Magnesium Reefer (MG) Test Kit 50 Tests - NYOS Aquatics

    Magnesium Reefer (MG) Test Kit 50 Tests - NYOS Aquatics

    NYOS

    $19.99
    MAGNESIUM REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is...
  • On Sale 15%
    Magnesium (Mg) Test Kit - Elos
    On Sale 15%

    Magnesium (Mg) Test Kit - Elos

    ELOS

    $25.99
    $22.09
    Mg Magnesium Water Analysis for AquariumMagnesium is a major salt in natural seawater. Contrary to its significance this element was ignored for a long time. We know today that Magnesium creates a remarkable improvement in the growth of calcareous algae...
  • (HI783-11) Marine Magnesium Certified Calibration Standard Kit

    (HI783-11) Marine Magnesium Certified Calibration Standard Kit

    Hanna Instruments

    $24.99
    The HI783-11 Marine Magnesium Certified Standard Kit is used to validate the performance of the HI783 Marine Magnesium Checker HC. The kit includes one sealed cuvette with a zero-magnesium value and one cuvette that is tinted to a standard magnesium...
  • Hanna Master Reef PRO Kit (772 Alk, 758 Calcium, 783 Magnesium, 781 LR Nitrate, 782 HR Nitrate, 713 Phosphate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Master Reef PRO Kit (772 Alk, 758 Calcium, 783 Magnesium, 781 LR Nitrate, 782 HR Nitrate, 713 Phosphate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Instruments

    $475.93
    772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides...
  • On Sale 15%
    Magnesium Test Kit (40 Tests) - ASF
    On Sale 15%

    Magnesium Test Kit (40 Tests) - ASF

    ASF

    $24.19
    $20.56
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. Each kit includes a micro-syringe to ensure accurate testing. Multiple tests are included in...