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Supplements

Have you ever wondered if you should be adding supplements to your saltwater aquarium? There's no single answer that fits every situation. The answer actually depends solely on what types of marine life you have in your home aquarium. If you have a fish only tank and do regular small water changes, you probably don't need to add anything to the tank. But, if you have invertebrates or corals in your tank you might need to add supplements to keep them healthy and thriving.

Saltwater consists of numerous elements at various concentrations referred to as PPM, or Parts Per Million. Although high quality saltwater mixes are designed to mimic these ratios as closely as possible, different brands, types and mixes have different concentrations of some of these elements. All of the elements that are found in the oceans water are crucial in keeping your fish, coral and other marine life healthy. And, as your aquarium runs, some of these elements can become depleted.

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  • On Sale 20%
    Bulk Pharma Calcium Chloride (35 Pounds) - Bulk Reef Supply
    On Sale 20%

    Bulk Pharma Calcium Chloride (35 Pounds) - Bulk Reef Supply

    Bulk Reef Supply

    (0 Reviews)

    $199.99
    $159.99
    Bulk Pharma Calcium Chloride - Ultra Pure Calcium Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it grows. Using only pharmaceutical...
  • Skeletal Elements - Reef Foundation ABC+ (5 KG Bucket) -  Red Sea

    Skeletal Elements - Reef Foundation ABC+ (5 KG Bucket) - Red Sea

    Red Sea

    (3 Reviews)

    $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,...
  • TURBOSTART 700 Freshwater (32 oz) Live Nitrifying Bacteria - Fritz

    TURBOSTART 700 Freshwater (32 oz) Live Nitrifying Bacteria - Fritz

    Fritz Aquatics

    (0 Reviews)

    $135.99
    Live product. Keep refrigerated. Do not freeze. Refrigerated life is 4 months with a temperature Range of 34 - 50 degrees F. Use before expiration date on bottom of bottle. Shipping: Live Foods Ship on Select Days & Have a 100% Arrive Alive...
  • Reef Fusion "1" Two Part Calcium/Buffer System (1 L) - Seachem

    Reef Fusion "1" Two Part Calcium/Buffer System (1 L) - Seachem

    Seachem

    (1 Review)

    $14.32
    Reef 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...
  • Carbo-Calcium (1000 ml) - Tropic Marin

    Carbo-Calcium (1000 ml) - Tropic Marin

    Tropic Marin

    (0 Reviews)

    $33.60
    Tropic Marin® Carbo-Calcium is highly concentrated calcium and alkalinity for dissolving in reverse osmosis water to get the proven Carbocalcium solution. After dissolving, one single solution can cover all the calcium and alkalinity...
  • Reef BluePrint Isol8:Mg(SO)4 - Magnesium Sulfate (1.0 kg) - Captiv8 Aquaculture

    Reef BluePrint Isol8:Mg(SO)4 - Magnesium Sulfate (1.0 kg) - Captiv8 Aquaculture

    Captiv8 Aquaculture

    (0 Reviews)

    $18.99
    Characteristics Active Components: Magnesium sulfate, heptahydrate, USP (≥99.75% purity) Basic Application See 'Application', below. Application Keep out of reach of children and unauthorized persons...
  • Phos-Start (75g) - Tropic Marin

    Phos-Start (75g) - Tropic Marin

    Tropic Marin

    (0 Reviews)

    $22.28
    Tropic Marin® Phos-Start is based on the nutrient supply mechanisms seen in the natural coral reef environment. Insoluble, particulate excretions of fish or plankton supply corals with phosphate and all other necessary substances which are...
  • Core7 Flex Base Elements (1000 mL) Set - Triton

    Core7 Flex Base Elements (1000 mL) Set - Triton

    Triton

    (1 Review)

    $52.00
    Core7 Base Flex Elements- Comprehensive Reef Tank Dosing Customizable – two, three or four-part dosing High Concentration Includes all necessary trace elements Easy to mix Triton Core7 Base Elements is an ionically balanced, super...
  • Calcion - Liquid Calcium Supplement (500mL) - Brightwell

    Calcion - Liquid Calcium Supplement (500mL) - Brightwell

    Brightwell Aquatics

    (0 Reviews)

    $22.00
    Concentrated 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 Code A-P - Balanced Calcium & Alkalinity System Powder - Part A (Calc.) 1KG - Brightwell

    Reef Code A-P - Balanced Calcium & Alkalinity System Powder - Part A (Calc.) 1KG - Brightwell

    (1 Review)

    $25.95
    Ionically 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...
  • Purple Up (4 oz) - Caribsea

    Purple Up (4 oz) - Caribsea

    Caribsea

    (0 Reviews)

    $8.75
    PurpleUp™ - 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...
  • Molybdenum (Mo) (100 ml) - Triton

    Molybdenum (Mo) (100 ml) - Triton

    Triton

    (0 Reviews)

    $32.00
    Molybdenum trace element seawater supplement. Beneficial for enzyme processes in reef aquaria. Can promote coloration in SPS / LPS corals.  When used in conjunction with TRITON Lab ICP testing aquarists are now able to make targeted single element...
  • Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (250 mL) - Brightwell

    Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (250 mL) - Brightwell

    Brightwell Aquatics

    (1 Review)

    $7.17
    Concentrated KH Buffer Supplement for All Marine Fish and Reef Aquaria Overview Alkalin 8.3P is a multi-component automatic buffer that regulates pH, unlike sodium carbonate its use makes for a much more stable aquarium. Eliminates pH and KH...
  • Vita-Chem Marine (1 Gallon) - Boyds

    Vita-Chem Marine (1 Gallon) - Boyds

    Boyd

    (1 Review)

    $246.26
    The benefits of using Vitachem Marine: Increased growth Increased resistance to disease Great for Reef Aquariums, Corals, Filter Feeders and Breeders Omega-3 Enhanced Rapid fin regeneration Fabulous intense natural colors Pre-stabilized...
  • Reef Code B-P - Balanced Calcium & Alkalinity System Powder - Part B (Alk.) 1 KG - Brightwell

    Reef Code B-P - Balanced Calcium & Alkalinity System Powder - Part B (Alk.) 1 KG - Brightwell

    (1 Review)

    $25.95
    Ionically Balanced Powered Calcium & Alkalinity for all marine fish & reef aquaria Overview The alkalinity-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing...
  • AF Power Coral Food (20 g) - Aquaforest

    AF Power Coral Food (20 g) - Aquaforest

    Aquaforest

    (0 Reviews)

    $16.49
    Powdered food for all types of corals, especially SPS corals. Unique formula of AF Power Food is based on a special mix of highly nutritious plankton and marine and freshwater algae. The formula has been enriched with the highest quality products of the...
  • Red Cyano (2 g) & Phosphate Rx (1 oz) Combo Pack - Blue Life USA

    Red Cyano (2 g) & Phosphate Rx (1 oz) Combo Pack - Blue Life USA

    Blue Life USA

    (1 Review)

    $62.28
    Red Cyano Rx will quickly and effectively treat disease causing Cyano bacteria from live rock, live coral and live sand in your saltwater aquarium without harming any of its inhabitants including beneficial bacteria when used as directed. Unlike other...
  • Reef Fusion "2" Two Part Calcium/Buffer System (500 mL) - Seachem

    Reef Fusion "2" Two Part Calcium/Buffer System (500 mL) - Seachem

    Seachem

    (0 Reviews)

    $8.92
    Reef 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...
  • Bio-Calcium Supplement Powder (500 g - 18 oz) - Tropic Marin

    Bio-Calcium Supplement Powder (500 g - 18 oz) - Tropic Marin

    Tropic Marin

    (0 Reviews)

    $14.10
    Biologically 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...
  • Marine Trace (500 mL) - Seachem

    Marine Trace (500 mL) - Seachem

    Seachem

    (1 Review)

    $11.55
    Replenishment of a number of trace elements is required to maintain an environment ideal for the growth and reproduction of marine life, but while the importance of trace elements has been recognized by aquarists for many years, the physiological reasons...
  • Iron (Fe) (100 ml) - Triton

    Iron (Fe) (100 ml) - Triton

    Triton

    (0 Reviews)

    $32.00
    Iron trace element seawater supplement. Beneficial for metabolic processes in reef aquaria. Promotes macro-algae growth and health/color of LPS/SPS coral.  When used in conjunction with TRITON Lab ICP testing aquarists are now able to make...
  • REFUEL Amino Acid Enriched Bacterial Food Source (500 ml) - Polyplab

    REFUEL Amino Acid Enriched Bacterial Food Source (500 ml) - Polyplab

    PolypLab

    (0 Reviews)

    $69.00
    Refuel is a unique fusion of organic carbon sources enriched with amino acids. It is a safe and highly effective carbon-based bacterial food source that will steadily improve water quality. The process is very gentle, and will not have any negative...
  • Alkalin-P 8.3 - Dry pH/KH Builder (8.8 lbs / 4kg) - Brightwell

    Alkalin-P 8.3 - Dry pH/KH Builder (8.8 lbs / 4kg) - Brightwell

    Brightwell Aquatics

    (0 Reviews)

    $63.99
    KH Buffer Powder for all Marine Fish and Reef Aquaria Overview Raises alkalinity, adjust pH to 8.3 Unlike single component KH products such as sodium carbonate, Alkalin 8.3P is a multi-component automatic buffer that regulates pH and its use makes...
  • AF Energy (50 ml) Energy Growth Acceleration Food - Aquaforest

    AF Energy (50 ml) Energy Growth Acceleration Food - Aquaforest

    Aquaforest

    (0 Reviews)

    $28.59
    Accelerates coral growth. Contains omega-3 and omega-6 fatty acids, unique Highly concentrated and nutritious food for corals. extract from selected zooplankton, amino acids, vitamins and carbohydrates.  Product does not contain phosphates and...
  • MicroBacterClean (500 ML - 16 oz) - Brightwell

    MicroBacterClean (500 ML - 16 oz) - Brightwell

    Brightwell Aquatics

    (0 Reviews)

    $21.69
    Overview Complex system of non-pathogenic microbes and natural enzymes, specifically formulated to clean aquarium live rock and decorations. Professionals use MicrōBacterCLEAN to combat the "ugly stage," that time right after initial cycling...
  • Reef BluePrint Garlic100 (60mL) - Captiv8 Aquaculture

    Reef BluePrint Garlic100 (60mL) - Captiv8 Aquaculture

    Captiv8 Aquaculture

    (1 Review)

    $18.99
    Characteristics Provides several natural immunostimulant compounds and feeding stimulants, while avoiding oils, chemical preservatives, and artificial colors which may negatively impact biota within recirculating aquatic ecosystems...
  • CO3 Alkalinity Increaser (1000 ml) - Triton

    CO3 Alkalinity Increaser (1000 ml) - Triton

    Triton

    (0 Reviews)

    $28.00
    CO3 alkalinity buffer is used to individually raise alkalinity without affecting other elements. TRITON Treatments have been developed to fix specific problems commonly faced by aquarists. Unlike many products on the market TRITON Treatments are...
  • Reef Reactor Medium (4 L) Calcium Reactor Media - Seachem

    Reef Reactor Medium (4 L) Calcium Reactor Media - Seachem

    Seachem

    (1 Review)

    $32.52
    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™...
  • Reef Builder (300g) - Seachem

    Reef Builder (300g) - Seachem

    Seachem

    (0 Reviews)

    $7.47
    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. Used as directed, Reef Builder™ will not deplete calcium, magnesium, or strontium which usually...
  • Liquid Buffer (500 ml) - Tropic Marin

    Liquid Buffer (500 ml) - Tropic Marin

    Tropic Marin

    (0 Reviews)

    $18.32
    Liquid pH buffer and KH creator for seawater aquariums Marine aquariums need optimal buffering for good coral growth with a stable carbonate hardness between 7 and 9 ° dH. In addition, fluctuations in the pH, e.g. in hyperacidity by excretions and...
  • Reef BluePrint Propag8 (25g) - Captiv8 Aquaculture

    Reef BluePrint Propag8 (25g) - Captiv8 Aquaculture

    Captiv8 Aquaculture

    (0 Reviews)

    $15.99
    Characteristics A dry blend of free form amino acids in ratios corresponding to research conducted on cellular amino acid content and perceived requirements across numerous cnidarian genera endemic to tropical and subtropical marine ecosystems...
  • Lithium (Li) (100 ml) - Triton

    Lithium (Li) (100 ml) - Triton

    Triton

    (0 Reviews)

    $32.00
    Lithium trace element seawater supplement. Lithium is an important element for overall health of reef aquaria.  When used in conjunction with TRITON Lab ICP testing aquarists are now able to make targeted single element adjustments. Only TRITON...
  • Reef Advantage Calcium (250g) - Seachem

    Reef Advantage Calcium (250g) - Seachem

    Seachem

    (1 Review)

    $8.99
    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...
  • Reef Fusion "1" Two Part Calcium/Buffer System (500 mL) - Seachem

    Reef Fusion "1" Two Part Calcium/Buffer System (500 mL) - Seachem

    Seachem

    (1 Review)

    $8.92
    Reef 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...
  • Strontium (Srx10) (100 ml) 10x Concentrate - Triton

    Strontium (Srx10) (100 ml) 10x Concentrate - Triton

    Triton

    (0 Reviews)

    $45.00
    Strontium macro element seawater supplement. Strontium is an important element that naturally occurs in seawater. Beneficial for calcification of coral skeleton and general coral health.  When used in conjunction with TRITON Lab ICP testing...
  • Reef BluePrint Nitr8 (60 mL) - Captiv8 Aquaculture

    Reef BluePrint Nitr8 (60 mL) - Captiv8 Aquaculture

    Captiv8 Aquaculture

    (0 Reviews)

    $11.99
    Parameter Nitrate Value 100,000 ppm Characteristics Active Components: Potassium nitrate, anhydrous, USP Basic Application 1 mL per 25.4 gallons (100 L) increases [NO3] by 1.0 ppm. 5 mL per...
  • Reef BluePrint Nitr8 (355 mL) - Captiv8 Aquaculture

    Reef BluePrint Nitr8 (355 mL) - Captiv8 Aquaculture

    Captiv8 Aquaculture

    (0 Reviews)

    $35.97
    Parameter Nitrate Value 100,000 ppm Characteristics Active Components: Potassium nitrate, anhydrous, USP Basic Application 1 mL per 25.4 gallons (100 L) increases [NO3] by 1.0 ppm. 5 mL per 20...
  • Alkalin-P 8.3 - Dry pH/KH Builder (500 gm) - Brightwell

    Alkalin-P 8.3 - Dry pH/KH Builder (500 gm) - Brightwell

    Brightwell Aquatics

    (1 Review)

    $12.91
    KH Buffer Powder for all Marine Fish and Reef Aquaria Overview Raises alkalinity, adjust pH to 8.3 Unlike single component KH products such as sodium carbonate, Alkalin 8.3P is a multi-component automatic buffer that regulates pH and its use makes...
  • On Sale 20%
    Bulk Pharma Magnesium Chloride (35 Pounds) - Bulk Reef Supply
    On Sale 20%

    Bulk Pharma Magnesium Chloride (35 Pounds) - Bulk Reef Supply

    Bulk Reef Supply

    (0 Reviews)

    $189.99
    $151.99
    Bulk Magnesium Chloride - Ultra Pure Magnesium Additive for your Reef Tank! Keep your reef balanced - Use with BRS Pharma Magnesium Sulfate Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank...
  • Carbo-Calcium Powder Calcium & Alkalinity Additive (1400g, 3 lbs) - Tropic Marin

    Carbo-Calcium Powder Calcium & Alkalinity Additive (1400g, 3 lbs) - Tropic Marin

    Tropic Marin

    (0 Reviews)

    $36.36
    Concentrated Calcium & Alkalinity for Advanced Reefers! Tropic Marin Carbo-Calcium contains a balanced ratio of calcium and carbonate (alkalinity) in a single solution. Traditionally two or more solutions are required but Carbo-Calcium relies on...