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Calcium Supplements

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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  • Reef Foundations A (CA/SR) 500mL Liquid - Red Sea
    Reef Foundations A (CA/SR) 500mL Liquid - Red Sea $14.99
  • Reef Fusion "1" Two Part Calcium/Buffer System (2 L) - Seachem
    Reef Fusion "1" Two Part Calcium/Buffer System (2 L) - Seachem $23.99
  • Purple Up (16 oz) - Caribsea
    Purple Up (16 oz) - Caribsea $16.75
  • Reef Foundation A Dry (CA/SR) 1 KG Powder - Red Sea
    Reef Foundation A Dry (CA/SR) 1 KG Powder - Red Sea $19.99
  • Purple Up (1 Gallon) - Caribsea
    Purple Up (1 Gallon) - Caribsea $76.49
  • Purple Up (8 oz) - Caribsea
    Purple Up (8 oz) - Caribsea $9.75
  • Reef Code A Balanced Calcium & Alkalinity System Part A 2 L - Brightwell Aquatics
    Reef Code A Balanced Calcium & Alkalinity System Part A 2 L - Brightwell Aquatics $13.85
  • Fritz RPM Liquid Calcium Elements (1 Gallon) Part 2 - Fritz
    Fritz RPM Liquid Calcium Elements (1 Gallon) Part 2 - Fritz $25.99
  • Calcium Dry Supplement (1 kg) - Aquaforest
    Calcium Dry Supplement (1 kg) - Aquaforest $12.99
  • CoralUp (8 oz) -   Caribsea
    CoralUp (8 oz) - Caribsea $10.99
  • Reef Complete (500 mL) - Seachem
    Reef Complete (500 mL) - Seachem $13.99
  • ReBorn Calcium Reactor Media (8.8 lbs) -  Two Little Fishies
    ReBorn Calcium Reactor Media (8.8 lbs) - Two Little Fishies $35.66
  • Reef Advantage Calcium 1KG - Seachem
    Reef Advantage Calcium 1KG - Seachem $26.99
  • Sea Lab #28 Automatic Replenisher 24 Blocks (2 lb Box) - Sea-Lab
    Sea Lab #28 Automatic Replenisher 24 Blocks (2 lb Box) - Sea-Lab $29.99
  • Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (1 L) - SeaChem
    Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (1 L) - SeaChem $24.99
  • Reef Foundation A (Ca/Sr) - (5 Liter / 1.32 Gal) - Red Sea
    Reef Foundation A (Ca/Sr) - (5 Liter / 1.32 Gal) - Red Sea $89.99
  • B-Ionic Buffer #2 CALCIUM ONLY (1 Gallon) Concentrated Refill - ESV
    B-Ionic Buffer #2 CALCIUM ONLY (1 Gallon) Concentrated Refill - ESV $23.99
  • Bio-Actif Calcium (64 Oz) -  Tropic Marin
    Bio-Actif Calcium (64 Oz) - Tropic Marin $33.99
  • Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (2 L) SeaChem
    Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (2 L) SeaChem $36.99
  • Reef Advantage Calcium 4KG- Seachem
    Reef Advantage Calcium 4KG- Seachem $77.99
  • ME Calcium (CA) Powder - (8 lbs) Makes 7 Gallons - Bulk Calcium Chloride - MECoral
    ME Calcium (CA) Powder - (8 lbs) Makes 7 Gallons - Bulk Calcium Chloride - MECoral $39.99
  • Reef Fusion "1" Two Part Calcium/Buffer System (1 L) - Seachem
    Reef Fusion "1" Two Part Calcium/Buffer System (1 L) - Seachem $17.99
  • Reef Fusion "1" Two Part Calcium/Buffer System (500 mL) - Seachem
    Reef Fusion "1" Two Part Calcium/Buffer System (500 mL) - Seachem $12.99
  • Calcium Dry Supplement (4 kg) - Aquaforest
    Calcium Dry Supplement (4 kg) - Aquaforest $37.99
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