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Calcion P - Dry Calcium Supplement (16kg) - Brightwell
Brightwell Aquatics$198.25Calcium Supplement for All Marine Fish & Reef Aquaria Overview High-purity powdered calcium. Increases the concentration of calcium in marine aquarium water to provide corals andother reef-building invertebrates with one of the most important... -
4-Part RCP Complete Reef Care Dosing System - Large (600L - 160 Gal) - Red Sea
Red Sea$179.95Meet the new 4-part Complete Reef Care, providing hobbyists with more convenience at no extra cost, and ensuring optimal coral growth and vivid colors with only one test per week! Our long-term research has revealed that in most reef systems... -
44 lbs ReBorn (Original Size) Calcium Reactor Media (44 lbs) - Two Little Fishies
Two Little Fishies$169.99Reborn is back to it's original size & formulation. Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western... -
4-Part RCP Complete Reef Care Dosing System - Medium (300L - 80 Gal) - Red Sea
Red Sea$109.95Meet the new 4-part Complete Reef Care, providing hobbyists with more convenience at no extra cost, and ensuring optimal coral growth and vivid colors with only one test per week! Our long-term research has revealed that in most reef systems... -
Reef Foundation A - Calcium (CA) - (5 Liter / 1.32 Gal) - Red Sea
Red Sea$109.00Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
Reef Advantage Calcium (4KG)- Seachem
Seachem$96.71Reef 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... -
Purple Up (1 Gallon) - Caribsea
Caribsea$92.49PurpleUp™ - uses a unique dual method approach to coralline algae acceleration. This approach is so unique that PurpleUp has been awarded a US patent (US patent No. 7,565,883). It contains ionic calcium; which immediately raises dissolved calcium... -
All For Reef Powder (1600g) - Tropic Marin
Tropic Marin$75.04Tropic Marin® All-For-Reef Powder is an ultra-concentrated mineral blend, with which an easy-to-use, highly concentrated all-round solution for supplying all key minerals and trace elements in newly established and averaged reef aquariums... -
Skeletal Elements - Reef Foundation ABC+ (5 KG Bucket) - Red Sea
Red Sea$74.99"Foundation and trace element supplement for balanced formation of coral skeleton Ca | Mg | KH | Sr| Ba | K | I SKELETAL ELEMENTS is a blend of all of the corals foundation elements of coral skeletons: Calcium, magnesium, strontium & carbonate,... -
4-Part RCP Complete Reef Care Dosing System - Small (150L - 40 Gal) - Red Sea
Red Sea$69.99Meet the new 4-part Complete Reef Care, providing hobbyists with more convenience at no extra cost, and ensuring optimal coral growth and vivid colors with only one test per week! Our long-term research has revealed that in most reef systems... -
Reef BluePrint Isol8:Ca(OH)2 - Kalkwasser (5.0 kg) - Captiv8 Aquaculture
Captiv8 Aquaculture$68.84Calcium Hydroxide | "Kalkwasser" Characteristics Provides calcium. Increases pH. Kalkwasser application is an integral part of an effective pH-management and coral growth regimen in dedicated coral culture systems... -
Calcion P - Dry Calcium Supplement (3.2kg) - Brightwell
Brightwell Aquatics$62.40Calcium Supplement for All Marine Fish & Reef Aquaria Overview High-purity powdered calcium. Increases the concentration of calcium in marine aquarium water to provide corals andother reef-building invertebrates with one of the most important... -
CaCl2 Dihydrate Calcium Increaser (4000 g) - Triton
Triton$52.00Highly pure Calcium Chloride Dihydrate (CaCl2.2H2O) for increasing calcium. TRITON DIY salts are packed in-house using only the purest ingredients, tested and quality controlled within TRITON Lab. These products are suitable for 2-Part, 3-Part or... -
All For Reef Powder (800g) - Tropic Marin
Tropic Marin$47.18Tropic Marin® All-For-Reef Powder is an ultra-concentrated mineral blend, with which an easy-to-use, highly concentrated all-round solution for supplying all key minerals and trace elements in newly established and averaged reef aquariums... -
Original Balling Set Powder (3 kg) - Tropic Marin
Tropic Marin$45.39Tropic Marin® Original Balling Components are the three salts used in the Balling method to allow an independent dosage of calcium and carbonates adapted to each individual aquarium. The three part method adds calcium chloride dihydrate (part... -
Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (2 L) SeaChem
Seachem$42.88Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef... -
Calcion - Liquid Calcium Supplement (2L) - Brightwell
Brightwell Aquatics$40.64Concentrated Calcium Supplement for All Marine Fish & Reef Aquaria Overview Highly-concentrated ionic calcium solution. Increases the concentration of calcium in marine aquarium water to provide coralsand other reef-building invertebrates with... -
Reef Complete (2L) - Seachem
Seachem$40.61Reef 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 Calcium (2L) - Seachem
Seachem$40.61Reef Calcium™ is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. Polygluconate complexation confers several benefits: it increases the bioavailability... -
Ready 2 Reef All In One Dosing Solution (1000 mL) - Fauna Marin
Fauna Marin$39.99Everything 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... -
8.8 lbs ReBorn (Original Size) Calcium Reactor Media (8.8 lbs) - Two Little Fishies
Two Little Fishies$39.99Reborn is back to it's original size & formulation. Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western... -
All For Reef (1000 ml) - Tropic Marin
Tropic Marin$36.83ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL essential minerals and trace elements in new or moderately stocked reef aquariums. Benefits: Complete mineral supply in only one solution The most... -
LITTLE ReBorn Calcium Reactor Media (8.8 lbs) - Two Little Fishies
Two Little Fishies$35.66Reborn® coarse aragonite media for calcium reactors is 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,... -
Reef BluePrint Isol8:Ca(OH)2 - Kalkwasser (2.5 kg) - Captiv8 Aquaculture
Captiv8 Aquaculture$34.99Calcium Hydroxide | "Kalkwasser" Characteristics Provides calcium. Increases pH. Kalkwasser application is an integral part of an effective pH-management and coral growth regimen in dedicated coral culture systems... -
Reef Reactor Large (4 L) Calcium Reactor Media - Seachem
Seachem$32.52Reef 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™... -
Reef Reactor Medium (4 L) Calcium Reactor Media - Seachem
Seachem$32.52Reef 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™... -
Bio Calcium Supplement Powder (1800 g - 64 oz) - Tropic Marin
Tropic Marin$32.42Biologically ideal calcium supplement for reef aquariums using the Balling method Calcium is one of the most important elements in seawater, as together with carbon dioxide it is required for the skeletons of fishes and corals in the form of calcium... -
Reef Fusion "1" Two Part Calcium/Buffer System (4 L) - Seachem
Seachem$32.33Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef... -
Reef Foundation A Dry - Calcium (CA) (1 KG) Powder - Red Sea
Red Sea$31.99Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
Sea Lab #28 Automatic Replenisher 24 Blocks (2 lb Box) - Sea-Lab
All Misc Brands$29.99Automatically controls concentrations of 28 elements including calcium, strontium and all 15 essential trace elements. Removes heavy metals and limits ammonia and phosphate while helping to buffer aquarium pH. Available in: 1/2 lb Container (as pictured)... -
Reef Foundation A - Calcium (CA) (1000 ml) Liquid - Red Sea
Red Sea$28.99Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (1 L) - SeaChem
Seachem$28.64Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef... -
Reef Code A Balanced Calcium & Alkalinity System Part A 2 L - Brightwell Aquatics
Brightwell Aquatics$28.45Reef Cõde A Sizes 250 ml, 500 ml, 2 L, 20 L Overview • The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in... -
Reef Advantage Calcium (1KG) - Seachem
Seachem$26.74Reef 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... -
Reef Code A-P - Balanced Calcium & Alkalinity System Powder - Part A (Calc.) 1KG - Brightwell
$25.95Ionically Balanced Powered Calcium & Alkalinity for all marine fish & reef aquaria Overview The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity... -
Calcion P - Dry Calcium Supplement (800g) - Brightwell
Brightwell Aquatics$23.58Calcium Supplement for All Marine Fish & Reef Aquaria Overview High-purity powdered calcium. Increases the concentration of calcium in marine aquarium water to provide corals andother reef-building invertebrates with one of the most important... -
Reef BluePrint Isol8:Ca - Calcium Solution (1006 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$22.99Parameter Calcium Value 150,250 ppm Characteristics Active Components: Calcium chloride, anhydrous, FCC. Basic Application 1 mL per 26.4 gallons (100 L) increases [Ca] by 1.50 ppm. 5 mL per 20... -
Reef BluePrint Coral8 Yin (1006mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$22.99Parameter 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... -
Ready 2 Reef All In One Dosing Solution (500 mL) - Fauna Marin
Fauna Marin$22.99Everything 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... -
Calcion - Liquid Calcium Supplement (500mL) - Brightwell
Brightwell Aquatics$22.00Concentrated Calcium Supplement for All Marine Fish & Reef Aquaria Overview Highly-concentrated ionic calcium solution. Increases the concentration of calcium in marine aquarium water to provide coralsand other reef-building invertebrates with...