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    ReBorn 8.8 lbs

    ReBorn 8.8 lbs

    Coarse calcium reactor media composed of fossilized coral remains Coral skeletons sustainably harvested from the Western Pacific Ocean Replenishes calcium, carbonate alkalinity, and other elements for coral growth Unique calcium reactor media composed... more

    $21.99

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    Two Little Fishies Reborn-Calcium Reactor Media, 44-Pound

    Two Little Fishies Reborn-Calcium Reactor Media, 44-Pound

    Coarse aragonite media for calcium reactors, composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western Pacific. When dissolved, ReBorn replenishes calcium and carbonate alkalinity, strontium and trace... more

    $104.35

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    Two Little Fishies Kalkwasser Calcium Supplement for Aquarium, 2kg

    Two Little Fishies Kalkwasser Calcium Supplement for Aquarium, 2kg

    Julian Sprung's Reef Formula. Calcium Supplement Mix. For replenishing calcium and maintaining alkalinity, for corals, clams and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH, precipitates phosphates and enhances... more

    $33.98

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    Two Little Fishies ATL40182 Kalkwasser 500gm, 1.1-Pound

    Two Little Fishies ATL40182 Kalkwasser 500gm, 1.1-Pound

    Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,... more

    $16.33

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    Kalkwasser (500gm) 1.1lbs

    Kalkwasser (500gm) 1.1lbs

    Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,... more

    $29.11

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    Peazz Pet

    (1,000+)
    Blue Ridge Coral - Heliopora coerulea - Small

    Blue Ridge Coral - Heliopora coerulea - Small

    Blue Ridge Coral ( Heliopora coerulea ) is an octocoral; a soft coral oddity with a hard skeleton that resembles some hard corals like some Montipora species. Blue Ridge Corals get their name from their calcium carbonate skeleton that is colored blue... more

    $49.99

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    Seachem Reef Carbonate 500ml

    Seachem Reef Carbonate 500ml

    Reef Carbonate™is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $10.67

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    Aquaforest Calcium Supplement, 1L

    Aquaforest Calcium Supplement, 1L

    An agent to maintain constant carbonate hardness in coral reef aquaria. Dissolve 80g of the product in 1000ml of deionized water. To maintain ion equilibrium, use Calcium, Magnesium and Reef Mineral Salt Aqua forest products as well. The recommended KH... more

    $11.99

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    Reef Carbonate 4L/1 gal

    Reef Carbonate 4L/1 gal

    Restores and maintains alkalinity in reef aquariums Prevents calcium and carbonate deficiencies in saltwater aquariums Provides essential levels of alkalinity for coral growth and health Concentrated liquid blend of carbonate and bicarbonate salts... more

    $29.58

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    Reef Carbonate, 100 mL / 3.4 fl. oz.

    Reef Carbonate, 100 mL / 3.4 fl. oz.

    Reef Carbonate is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $11.96

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    Reef Carbonate - 16.9 oz.

    Reef Carbonate - 16.9 oz.

    Reef Carbonate is a concentrated (4;000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes deficient;... more

    $5.95

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    Reef Carbonate 500 ml

    Reef Carbonate 500 ml

    Restores and maintains alkalinity in reef aquariums Prevents calcium and carbonate deficiencies in saltwater aquariums Provides essential levels of alkalinity for coral growth and health Concentrated liquid blend of carbonate and bicarbonate salts... more

    $6.44

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    API Calcium Test Kit for Saltwater

    API Calcium Test Kit for Saltwater

    Monitoring calcium levels is essential for keeping a successful reef aquarium. Reef organisms use calcium to build a calcium carbonate skeleton. Over time; as the calcium in the water is utilized; the calcium level will gradually drop. Calcium must be... more

    $9.99

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    Reef Advantage Calcium - 8.8 oz.

    Reef Advantage Calcium - 8.8 oz.

    Reef Advantage Calcium is a non-caustic (pH 8.3-8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes deficient;... more

    $7.05

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    Reef Code A (Calcium) 2 L

    Reef Code A (Calcium) 2 L

    2-part balanced calcium and alkalinity system for reef aquariums Helps establish calcium and carbonate ratios found in natural seawater Provides the necessary elements for corals and other reef-building organisms Simplify calcium and alkalinity... more

    $14.10

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    Bio Calcium Supplement 18oz

    Bio Calcium Supplement 18oz

    Biologically ideal magnesium supplement for reef aquariums. Some corals and coralline algae use magnesium, in addition to calcium and strontium, in the formation of skeleton structure.The addition of BIO-MAGNESIUM to the marine aquarium restores the... more

    $32.11

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    Peazz Pet

    (1,000+)
    Bio Calcium Supplement 18oz

    Bio Calcium Supplement 18oz

    TROPIC MARIN - Bio-Magnesium 3 lbs. 5 oz. / 1,5 kgBiologically ideal magnesium supplement for reef aquariums. Some corals and coralline algae use magnesium, in addition to calcium and strontium, in the formation of skeleton structure.The addition of... more

    $63.65

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    Peazz Pet

    (1,000+)
    Liquid Calcium 8oz

    Liquid Calcium 8oz

    Concentrated Liquid Calcium provides bio-available calcium for lush growth of purple, pink and green calcareous algaes, snails, hard tube worms and clams. Corals will open more and stay attached to their skeletons better, with regular use. Phosphate &... more

    $19.11

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    Peazz Pet

    (1,000+)
    Seachem Reef Complete 250ml Multi-Colored

    Seachem Reef Complete 250ml Multi-Colored

    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... more

    $15.85 $11.00

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    Animal Supply Company Sc03670 Reef Builder

    Animal Supply Company Sc03670 Reef Builder

    Features Reef Builder raises carbonate alkalinity without immediately impacting on pH.With long term use there will be a tendency to stabilize at pH 8.3.Carbonates and calcium are essential to all coral growth.If either becomes deficient coral growth... more

    $31.15 $23.96

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    Kalkwasser (500gm) 1.1lbs

    Kalkwasser (500gm) 1.1lbs

    Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,... more

    $20.99

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    PetFenceUSA

    (250+)
    Reef Advantage Calcium 4 Kilogram

    Reef Advantage Calcium 4 Kilogram

    Reef Advantage Calciumª is a non-caustic (pH 8.3Ð8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $94.28

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    PetFenceUSA

    (250+)
    "Seachem Laboratories Inc-Reef Carbonate 250 Milliliter"

    "Seachem Laboratories Inc-Reef Carbonate 250 Milliliter"

    "REEF CARBONATEConcentrated optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity.Calcium and carbonates are essential to coral growth.Will not deplete calcium, magnesium, or strontium which usually tend to... more

    $4.99

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    "Reef Carbonate, Size: 250 MILLILITER, UPC# 000116066600, Mfg# 666, Free Shipping"

    "Reef Carbonate, Size: 250 MILLILITER, UPC# 000116066600, Mfg# 666, Free Shipping"

    "Reef Carbonate Size: 250 MILLILITER Miscellaneous AquariamConcentrated optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity.Calcium and carbonates are essential to coral growth.Will not deplete calcium,... more

    $14.25

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    Tropic Marin Atm26032 Bio Calcium Supplement 10-pound Reef Aquariums Fish Coral

    Tropic Marin Atm26032 Bio Calcium Supplement 10-pound Reef Aquariums Fish Coral

    Tropic Marin ATM26032 Bio Calcium Supplement 10-Pound Reef Aquariums Fish Coral Weighs 12 Pounds Tropic marine bio calcium supplement All calcareous animals, especially corals need calcium and carbonates to grow and flourish These algae present the... more

    $124.99

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    Two Little Fishies ReBorn Calcium Reactor Media 8lb

    Two Little Fishies ReBorn Calcium Reactor Media 8lb

    ReBorn is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western Pacific Ocean. When used in a calcium reactor where it is dissolved with CO2 ReBorn not only replenishes calcium and carbonate... more

    $28.53

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    Reef Carbonate 500ml

    Reef Carbonate 500ml

    Reef Carbonateª is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $15.43

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    PetFenceUSA

    (250+)
    Seachem Reef Carbonate 500ml

    Seachem Reef Carbonate 500ml

    Reef Carbonate™is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $8.25

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    Red Sea Reef Foundation A Calcium & Strontium 16.9 Oz Nano Coral Free Usa Ship

    Red Sea Reef Foundation A Calcium & Strontium 16.9 Oz Nano Coral Free Usa Ship

    Red Sea Reef Foundation A, Calcium Strontium, 16.9 fl. oz Reef Foundation A contains Calcium, Strontium, and Barium according to the ratios found in coral skeleton. For best results dose according to a measured uptake of calcium and in conjunction with... more

    $15.60

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    Reef Carbonate 500ml

    Reef Carbonate 500ml

    Reef Carbonateª is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $15.43

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    Seachem Reef Advantage Calcium 500g

    Seachem Reef Advantage Calcium 500g

    Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $16.30

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    Seachem Reef Complete 250 Ml Calcium Magnesium Strontium Free Usa Shipping

    Seachem Reef Complete 250 Ml Calcium Magnesium Strontium Free Usa Shipping

    Product Description 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... more

    $10.95

    FREE shipping

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    Reef Advantage Calcium 1 Kilogram

    Reef Advantage Calcium 1 Kilogram

    Reef Advantage Calciumª is a non-caustic (pH 8.3Ð8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $27.99

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    Reef Advantage Calcium 4 Kilogram

    Reef Advantage Calcium 4 Kilogram

    Reef Advantage Calciumª is a non-caustic (pH 8.3Ð8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes deficient,... more

    $94.28

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    Tropic Marin ATM28120 Salt Calcium Test Kit for Aquarium

    Tropic Marin ATM28120 Salt Calcium Test Kit for Aquarium

    For the determiNAtion of the calcium concentration in saltwater. Calcium is one of the most important components of saltwater and largely determines the growth rate of organisms. which form calcareous skeletons like. for example stony corals and... more

    $22.74

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    Fluval Sea Calcium

    Fluval Sea Calcium

    Raise and Maintain Calcium Levels Fluval Sea Calcium can provide a concentrated form of calcium for your aquarium. It can be easily absorbed by invertebrates like corals and others for a strong skeleton structure. This calcium formula works without... more

    $6.49

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    Bio Calcium Supplement 18oz

    Bio Calcium Supplement 18oz

    "Biologically ideal magnesium supplement for reef aquariums. Some corals and coralline algae use magnesium, in addition to calcium and strontium, in the formation of skeleton structure. The addition of BIO-MAGNESIUM to the marine aquarium restores the... more

    $20.59

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    Bio Calcium Supplement 18oz

    Bio Calcium Supplement 18oz

    Biologically ideal magnesium supplement for reef aquariums. Some corals and coralline algae use magnesium, in addition to calcium and strontium, in the formation of skeleton structure.The addition of BIO-MAGNESIUM to the marine aquarium restores the... more

    $32.11

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    Tropic Marin ATM29432 Bio Calcium Supplement 18-Ounce

    Tropic Marin ATM29432 Bio Calcium Supplement 18-Ounce

    Biologically ideal magnesium supplement for reef aquariums. Some corals and coralline algae use magnesium. in addition to calcium and strontium. in the formation of skeleton structure. The addition of BIO-MAGNESIUM to the marine aquarium restores the... more

    $42.13

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    Tropic Marin ATM28120 Salt Calcium Test Kit for Aquarium

    Tropic Marin ATM28120 Salt Calcium Test Kit for Aquarium

    For the determination of the calcium concentration in saltwater. Calcium is one of the most important components of saltwater and largely determines the growth rate of organisms, which form calcareous skeletons like, for example stony corals and... more

    $24.10

    FREE shipping

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    More information about Fish Supplies

    Best prices on Coral calcium carbonate skeletons in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.