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Calcium

Calcium Supplements

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Corals, clams and certain types of algae have to have calcium in order to grow. They consume calcium and can quickly deplete the supply. Ocean water has a calcium level that ranges from 380 - 450 mg/L. It can be difficult or impossible to keep the levels this high in a home aquarium. But, there are several ways that you can increase the calcium levels. One of the most popular ways is by using reactors.

Calcium reactors can be used to add dosages of calcium to your aquarium. And, Kalkreactors can add dosages of Kalkwasser. If you prefer you can also use a diluted calcium chloride to dose, but it is more expensive. Liquid calcium also poses a problem. You will need to use carbonate or bicarbonate as a buffer because you are taking the risk of lowering the levels of alkalinity. If this method is something you are interested in, you may want to consider using a two part calcium/alkalinity solution.

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  • ION-B CA/MG+ Liquid (2000mL) - NYOS

    ION-B CA/MG+ Liquid (2000mL) - NYOS

    NYOS

    $19.99
    Balanced Calcium and Magnesium Support for Modern Reef Tanks Pre-Mixed, Ready-to-use Solution Increases Calcium and Magnesium Also Contains Strontium, Potassium, and Boron for Ion Balancing ION-B CA/MG+ liquid is a concentrated ready-to-use...
  • Ready 2 Reef All In One Dosing Solution (250 mL) - Fauna Marin

    Ready 2 Reef All In One Dosing Solution (250 mL) - Fauna Marin

    Fauna Marin

    $19.79
    Everything You Need in One Bottle Fauna Marin Ready2Reef is a concentrated solution that provides a reef tank with calcium, magnesium, carbonate hardness, and all-important micro and trace elements. It is suitable for starting and...
  • Reef Complete (250 mL) - Seachem

    Reef Complete (250 mL) - Seachem

    Seachem

    $7.38
    Reef Complete® is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Calcium and carbonates are essential to all coral growth. If either...
  • Reef Reactor Medium (2 L) Calcium Reactor Media - Seachem

    Reef Reactor Medium (2 L) Calcium Reactor Media - Seachem

    Seachem

    $21.23
    Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It has a grain size of approximately 0.5–1 cm (Reef Reactor™...
  • ION ELEMENTS 2 CA/MG (250mL) - NYOS

    ION ELEMENTS 2 CA/MG (250mL) - NYOS

    NYOS

    $16.99
    Designed to Be Added to the Nyos ION-B CA/MG+ Solution Trace Element Mixtures Based on Real Reef Tank Consumption Contains: Chromium, Iron, Cobalt, Copper, Manganese, Nickel, Vanadium, Zinc Adjustable Based on Your Tank's Consumption The...
  • ION ELEMENTS 1 CA/MG (250mL) - NYOS

    ION ELEMENTS 1 CA/MG (250mL) - NYOS

    NYOS

    $16.99
    Designed to Be Added to the Nyos ION-B CA/MG+ Solution Trace Element Mixtures Based on Real Reef Tank Consumption Contains: Molybdenum, Rubidium, Strontium Adjustable Based on Your Tank's Consumption The introduction of modern water analysis...
  • Reef BluePrint Coral8 Yin (355mL) - Captiv8 Aquaculture

    Reef BluePrint Coral8 Yin (355mL) - Captiv8 Aquaculture

    Captiv8 Aquaculture

    $11.99
    Parameter Value Calcium 146,600 ppm Strontium 2,932 ppm Magnesium 407 ppm Bromide 45 ppm Potassium 22 ppm Characteristics Active Components: Calcium chloride, FCC; Strontium chloride, USP; Magnesium...
  • REEF SHOT - Calcium (24 Shots, 16 oz)  - ASF

    REEF SHOT - Calcium (24 Shots, 16 oz) - ASF

    ASF

    $18.50
    Many reef organisms synthesise calcium and strontium to form shells or skeleton from the seawater. Strontium Reef Shot is a quick and easy way to increase or maintain the optimum concentration of strontium in a reef aquarium; an essential role in...